Home / 56,300.40-84,364.20-47,487.60

Finding the Fourth Proportional to 56,300.40, 84,364.20 and 47,487.60

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Solution

The fourth proportional to 56,300.40, 84,364.20 and 47,487.60 is: 71,158.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,300.40 : 84,364.20 = 47,487.60 : x
  2. Step 2: Convert to fraction form
    56,300.40/84,364.20 = 47,487.60/x
  3. Step 3: Cross multiply
    56,300.40x = 84,364.20 × 47,487.60
  4. Step 4: Simplify right side
    56,300.40x = 4,006,253,383.92
  5. Step 5: Solve for x
    x = 4,006,253,383.92/56,300.40
  6. Step 6: Final answer
    x = 71,158.52

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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.