Home / 39,970.08-55,159.11-22,064.70

Finding the Fourth Proportional to 39,970.08, 55,159.11 and 22,064.70

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Solution

The fourth proportional to 39,970.08, 55,159.11 and 22,064.70 is: 30,449.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,970.08 : 55,159.11 = 22,064.70 : x
  2. Step 2: Convert to fraction form
    39,970.08/55,159.11 = 22,064.70/x
  3. Step 3: Cross multiply
    39,970.08x = 55,159.11 × 22,064.70
  4. Step 4: Simplify right side
    39,970.08x = 1,217,069,214.42
  5. Step 5: Solve for x
    x = 1,217,069,214.42/39,970.08
  6. Step 6: Final answer
    x = 30,449.51

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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.