Home / 56,884.32-78,410.97-38,948.31

Finding the Fourth Proportional to 56,884.32, 78,410.97 and 38,948.31

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Solution

The fourth proportional to 56,884.32, 78,410.97 and 38,948.31 is: 53,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,884.32 : 78,410.97 = 38,948.31 : x
  2. Step 2: Convert to fraction form
    56,884.32/78,410.97 = 38,948.31/x
  3. Step 3: Cross multiply
    56,884.32x = 78,410.97 × 38,948.31
  4. Step 4: Simplify right side
    56,884.32x = 3,053,974,766.96
  5. Step 5: Solve for x
    x = 3,053,974,766.96/56,884.32
  6. Step 6: Final answer
    x = 53,687.46

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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.