Home / 56,760.64-85,160.40-21,710.32

Finding the Fourth Proportional to 56,760.64, 85,160.40 and 21,710.32

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Solution

The fourth proportional to 56,760.64, 85,160.40 and 21,710.32 is: 32,572.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,760.64 : 85,160.40 = 21,710.32 : x
  2. Step 2: Convert to fraction form
    56,760.64/85,160.40 = 21,710.32/x
  3. Step 3: Cross multiply
    56,760.64x = 85,160.40 × 21,710.32
  4. Step 4: Simplify right side
    56,760.64x = 1,848,859,535.33
  5. Step 5: Solve for x
    x = 1,848,859,535.33/56,760.64
  6. Step 6: Final answer
    x = 32,572.92

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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.