Home / 56,706.24-78,253.28-31,555.20

Finding the Fourth Proportional to 56,706.24, 78,253.28 and 31,555.20

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Solution

The fourth proportional to 56,706.24, 78,253.28 and 31,555.20 is: 43,545.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,706.24 : 78,253.28 = 31,555.20 : x
  2. Step 2: Convert to fraction form
    56,706.24/78,253.28 = 31,555.20/x
  3. Step 3: Cross multiply
    56,706.24x = 78,253.28 × 31,555.20
  4. Step 4: Simplify right side
    56,706.24x = 2,469,297,901.06
  5. Step 5: Solve for x
    x = 2,469,297,901.06/56,706.24
  6. Step 6: Final answer
    x = 43,545.44

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1.5x scale

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.