Home / 56,522.04-78,000.36-31,371.48

Finding the Fourth Proportional to 56,522.04, 78,000.36 and 31,371.48

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Solution

The fourth proportional to 56,522.04, 78,000.36 and 31,371.48 is: 43,292.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,522.04 : 78,000.36 = 31,371.48 : x
  2. Step 2: Convert to fraction form
    56,522.04/78,000.36 = 31,371.48/x
  3. Step 3: Cross multiply
    56,522.04x = 78,000.36 × 31,371.48
  4. Step 4: Simplify right side
    56,522.04x = 2,446,986,733.73
  5. Step 5: Solve for x
    x = 2,446,986,733.73/56,522.04
  6. Step 6: Final answer
    x = 43,292.61

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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.