Home / 42,006.60-62,988.02-19,814.02

Finding the Fourth Proportional to 42,006.60, 62,988.02 and 19,814.02

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Solution

The fourth proportional to 42,006.60, 62,988.02 and 19,814.02 is: 29,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,006.60 : 62,988.02 = 19,814.02 : x
  2. Step 2: Convert to fraction form
    42,006.60/62,988.02 = 19,814.02/x
  3. Step 3: Cross multiply
    42,006.60x = 62,988.02 × 19,814.02
  4. Step 4: Simplify right side
    42,006.60x = 1,248,045,888.04
  5. Step 5: Solve for x
    x = 1,248,045,888.04/42,006.60
  6. Step 6: Final answer
    x = 29,710.71

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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.