Home / 56,389.64-84,551.68-21,332.04

Finding the Fourth Proportional to 56,389.64, 84,551.68 and 21,332.04

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Solution

The fourth proportional to 56,389.64, 84,551.68 and 21,332.04 is: 31,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,389.64 : 84,551.68 = 21,332.04 : x
  2. Step 2: Convert to fraction form
    56,389.64/84,551.68 = 21,332.04/x
  3. Step 3: Cross multiply
    56,389.64x = 84,551.68 × 21,332.04
  4. Step 4: Simplify right side
    56,389.64x = 1,803,659,819.83
  5. Step 5: Solve for x
    x = 1,803,659,819.83/56,389.64
  6. Step 6: Final answer
    x = 31,985.66

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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.