Home / 56,970.28-78,622.50-31,476.52

Finding the Fourth Proportional to 56,970.28, 78,622.50 and 31,476.52

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Solution

The fourth proportional to 56,970.28, 78,622.50 and 31,476.52 is: 43,439.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,970.28 : 78,622.50 = 31,476.52 : x
  2. Step 2: Convert to fraction form
    56,970.28/78,622.50 = 31,476.52/x
  3. Step 3: Cross multiply
    56,970.28x = 78,622.50 × 31,476.52
  4. Step 4: Simplify right side
    56,970.28x = 2,474,762,693.70
  5. Step 5: Solve for x
    x = 2,474,762,693.70/56,970.28
  6. Step 6: Final answer
    x = 43,439.54

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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.