Home / 56,492.29-84,688.08-21,456.55

Finding the Fourth Proportional to 56,492.29, 84,688.08 and 21,456.55

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Solution

The fourth proportional to 56,492.29, 84,688.08 and 21,456.55 is: 32,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,492.29 : 84,688.08 = 21,456.55 : x
  2. Step 2: Convert to fraction form
    56,492.29/84,688.08 = 21,456.55/x
  3. Step 3: Cross multiply
    56,492.29x = 84,688.08 × 21,456.55
  4. Step 4: Simplify right side
    56,492.29x = 1,817,114,022.92
  5. Step 5: Solve for x
    x = 1,817,114,022.92/56,492.29
  6. Step 6: Final answer
    x = 32,165.70

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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.