Home / 30,929.13-42,688.35-17,500.41

Finding the Fourth Proportional to 30,929.13, 42,688.35 and 17,500.41

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Solution

The fourth proportional to 30,929.13, 42,688.35 and 17,500.41 is: 24,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,929.13 : 42,688.35 = 17,500.41 : x
  2. Step 2: Convert to fraction form
    30,929.13/42,688.35 = 17,500.41/x
  3. Step 3: Cross multiply
    30,929.13x = 42,688.35 × 17,500.41
  4. Step 4: Simplify right side
    30,929.13x = 747,063,627.22
  5. Step 5: Solve for x
    x = 747,063,627.22/30,929.13
  6. Step 6: Final answer
    x = 24,154.05

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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.