Home / 30,599.19-42,207.48-22,113.81

Finding the Fourth Proportional to 30,599.19, 42,207.48 and 22,113.81

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Solution

The fourth proportional to 30,599.19, 42,207.48 and 22,113.81 is: 30,503.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,599.19 : 42,207.48 = 22,113.81 : x
  2. Step 2: Convert to fraction form
    30,599.19/42,207.48 = 22,113.81/x
  3. Step 3: Cross multiply
    30,599.19x = 42,207.48 × 22,113.81
  4. Step 4: Simplify right side
    30,599.19x = 933,368,193.30
  5. Step 5: Solve for x
    x = 933,368,193.30/30,599.19
  6. Step 6: Final answer
    x = 30,503.04

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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.