Home / 56,885.16-78,500.97-31,391.76

Finding the Fourth Proportional to 56,885.16, 78,500.97 and 31,391.76

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Solution

The fourth proportional to 56,885.16, 78,500.97 and 31,391.76 is: 43,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,885.16 : 78,500.97 = 31,391.76 : x
  2. Step 2: Convert to fraction form
    56,885.16/78,500.97 = 31,391.76/x
  3. Step 3: Cross multiply
    56,885.16x = 78,500.97 × 31,391.76
  4. Step 4: Simplify right side
    56,885.16x = 2,464,283,610.01
  5. Step 5: Solve for x
    x = 2,464,283,610.01/56,885.16
  6. Step 6: Final answer
    x = 43,320.32

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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.