Home / 56,423.52-84,639.33-18,983.43

Finding the Fourth Proportional to 56,423.52, 84,639.33 and 18,983.43

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Solution

The fourth proportional to 56,423.52, 84,639.33 and 18,983.43 is: 28,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,423.52 : 84,639.33 = 18,983.43 : x
  2. Step 2: Convert to fraction form
    56,423.52/84,639.33 = 18,983.43/x
  3. Step 3: Cross multiply
    56,423.52x = 84,639.33 × 18,983.43
  4. Step 4: Simplify right side
    56,423.52x = 1,606,744,796.30
  5. Step 5: Solve for x
    x = 1,606,744,796.30/56,423.52
  6. Step 6: Final answer
    x = 28,476.51

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1.5x scale

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.