Home / 56,423.92-84,636.60-21,354.16

Finding the Fourth Proportional to 56,423.92, 84,636.60 and 21,354.16

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Solution

The fourth proportional to 56,423.92, 84,636.60 and 21,354.16 is: 32,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,423.92 : 84,636.60 = 21,354.16 : x
  2. Step 2: Convert to fraction form
    56,423.92/84,636.60 = 21,354.16/x
  3. Step 3: Cross multiply
    56,423.92x = 84,636.60 × 21,354.16
  4. Step 4: Simplify right side
    56,423.92x = 1,807,343,498.26
  5. Step 5: Solve for x
    x = 1,807,343,498.26/56,423.92
  6. Step 6: Final answer
    x = 32,031.51

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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.