Home / 42,012.47-63,037.85-15,719.27

Finding the Fourth Proportional to 42,012.47, 63,037.85 and 15,719.27

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Solution

The fourth proportional to 42,012.47, 63,037.85 and 15,719.27 is: 23,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012.47 : 63,037.85 = 15,719.27 : x
  2. Step 2: Convert to fraction form
    42,012.47/63,037.85 = 15,719.27/x
  3. Step 3: Cross multiply
    42,012.47x = 63,037.85 × 15,719.27
  4. Step 4: Simplify right side
    42,012.47x = 990,908,590.58
  5. Step 5: Solve for x
    x = 990,908,590.58/42,012.47
  6. Step 6: Final answer
    x = 23,586.06

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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.