Home / 49,875.30-74,712.15-31,097.70

Finding the Fourth Proportional to 49,875.30, 74,712.15 and 31,097.70

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Solution

The fourth proportional to 49,875.30, 74,712.15 and 31,097.70 is: 46,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,875.30 : 74,712.15 = 31,097.70 : x
  2. Step 2: Convert to fraction form
    49,875.30/74,712.15 = 31,097.70/x
  3. Step 3: Cross multiply
    49,875.30x = 74,712.15 × 31,097.70
  4. Step 4: Simplify right side
    49,875.30x = 2,323,376,027.06
  5. Step 5: Solve for x
    x = 2,323,376,027.06/49,875.30
  6. Step 6: Final answer
    x = 46,583.70

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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.