Home / 56,753.43-78,315.98-32,875.85

Finding the Fourth Proportional to 56,753.43, 78,315.98 and 32,875.85

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Solution

The fourth proportional to 56,753.43, 78,315.98 and 32,875.85 is: 45,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,753.43 : 78,315.98 = 32,875.85 : x
  2. Step 2: Convert to fraction form
    56,753.43/78,315.98 = 32,875.85/x
  3. Step 3: Cross multiply
    56,753.43x = 78,315.98 × 32,875.85
  4. Step 4: Simplify right side
    56,753.43x = 2,574,703,855.12
  5. Step 5: Solve for x
    x = 2,574,703,855.12/56,753.43
  6. Step 6: Final answer
    x = 45,366.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.