Home / 56,889.20-85,359.40-25,708.40

Finding the Fourth Proportional to 56,889.20, 85,359.40 and 25,708.40

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Solution

The fourth proportional to 56,889.20, 85,359.40 and 25,708.40 is: 38,574.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,889.20 : 85,359.40 = 25,708.40 : x
  2. Step 2: Convert to fraction form
    56,889.20/85,359.40 = 25,708.40/x
  3. Step 3: Cross multiply
    56,889.20x = 85,359.40 × 25,708.40
  4. Step 4: Simplify right side
    56,889.20x = 2,194,453,598.96
  5. Step 5: Solve for x
    x = 2,194,453,598.96/56,889.20
  6. Step 6: Final answer
    x = 38,574.17

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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.