Home / 56,730.65-85,095.98-17,287.79

Finding the Fourth Proportional to 56,730.65, 85,095.98 and 17,287.79

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Solution

The fourth proportional to 56,730.65, 85,095.98 and 17,287.79 is: 25,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,730.65 : 85,095.98 = 17,287.79 : x
  2. Step 2: Convert to fraction form
    56,730.65/85,095.98 = 17,287.79/x
  3. Step 3: Cross multiply
    56,730.65x = 85,095.98 × 17,287.79
  4. Step 4: Simplify right side
    56,730.65x = 1,471,120,920.17
  5. Step 5: Solve for x
    x = 1,471,120,920.17/56,730.65
  6. Step 6: Final answer
    x = 25,931.68

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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.