Home / 42,483.13-63,720.57-12,901.22

Finding the Fourth Proportional to 42,483.13, 63,720.57 and 12,901.22

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Solution

The fourth proportional to 42,483.13, 63,720.57 and 12,901.22 is: 19,350.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,483.13 : 63,720.57 = 12,901.22 : x
  2. Step 2: Convert to fraction form
    42,483.13/63,720.57 = 12,901.22/x
  3. Step 3: Cross multiply
    42,483.13x = 63,720.57 × 12,901.22
  4. Step 4: Simplify right side
    42,483.13x = 822,072,773.49
  5. Step 5: Solve for x
    x = 822,072,773.49/42,483.13
  6. Step 6: Final answer
    x = 19,350.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.