Home / 42,420.92-63,631.56-14,341.11

Finding the Fourth Proportional to 42,420.92, 63,631.56 and 14,341.11

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Solution

The fourth proportional to 42,420.92, 63,631.56 and 14,341.11 is: 21,511.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,420.92 : 63,631.56 = 14,341.11 : x
  2. Step 2: Convert to fraction form
    42,420.92/63,631.56 = 14,341.11/x
  3. Step 3: Cross multiply
    42,420.92x = 63,631.56 × 14,341.11
  4. Step 4: Simplify right side
    42,420.92x = 912,547,201.43
  5. Step 5: Solve for x
    x = 912,547,201.43/42,420.92
  6. Step 6: Final answer
    x = 21,511.73

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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.