Home / 56,977.60-85,466.40-25,387.60

Finding the Fourth Proportional to 56,977.60, 85,466.40 and 25,387.60

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Solution

The fourth proportional to 56,977.60, 85,466.40 and 25,387.60 is: 38,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,977.60 : 85,466.40 = 25,387.60 : x
  2. Step 2: Convert to fraction form
    56,977.60/85,466.40 = 25,387.60/x
  3. Step 3: Cross multiply
    56,977.60x = 85,466.40 × 25,387.60
  4. Step 4: Simplify right side
    56,977.60x = 2,169,786,776.64
  5. Step 5: Solve for x
    x = 2,169,786,776.64/56,977.60
  6. Step 6: Final answer
    x = 38,081.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.