Home / 42,632.96-63,955.28-14,545.48

Finding the Fourth Proportional to 42,632.96, 63,955.28 and 14,545.48

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Solution

The fourth proportional to 42,632.96, 63,955.28 and 14,545.48 is: 21,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,632.96 : 63,955.28 = 14,545.48 : x
  2. Step 2: Convert to fraction form
    42,632.96/63,955.28 = 14,545.48/x
  3. Step 3: Cross multiply
    42,632.96x = 63,955.28 × 14,545.48
  4. Step 4: Simplify right side
    42,632.96x = 930,260,246.13
  5. Step 5: Solve for x
    x = 930,260,246.13/42,632.96
  6. Step 6: Final answer
    x = 21,820.21

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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.