Home / 39,970.04-55,157.58-22,063.76

Finding the Fourth Proportional to 39,970.04, 55,157.58 and 22,063.76

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Solution

The fourth proportional to 39,970.04, 55,157.58 and 22,063.76 is: 30,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,970.04 : 55,157.58 = 22,063.76 : x
  2. Step 2: Convert to fraction form
    39,970.04/55,157.58 = 22,063.76/x
  3. Step 3: Cross multiply
    39,970.04x = 55,157.58 × 22,063.76
  4. Step 4: Simplify right side
    39,970.04x = 1,216,983,607.30
  5. Step 5: Solve for x
    x = 1,216,983,607.30/39,970.04
  6. Step 6: Final answer
    x = 30,447.40

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Double scale
Find fourth proportional to 39,971.04, 55,158.96 and 22,064.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.