Home / 42,547.66-63,821.46-19,146.76

Finding the Fourth Proportional to 42,547.66, 63,821.46 and 19,146.76

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Solution

The fourth proportional to 42,547.66, 63,821.46 and 19,146.76 is: 28,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,547.66 : 63,821.46 = 19,146.76 : x
  2. Step 2: Convert to fraction form
    42,547.66/63,821.46 = 19,146.76/x
  3. Step 3: Cross multiply
    42,547.66x = 63,821.46 × 19,146.76
  4. Step 4: Simplify right side
    42,547.66x = 1,221,974,177.47
  5. Step 5: Solve for x
    x = 1,221,974,177.47/42,547.66
  6. Step 6: Final answer
    x = 28,720.13

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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.