Home / 47,263.20-71,000.40-39,487.20

Finding the Fourth Proportional to 47,263.20, 71,000.40 and 39,487.20

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Solution

The fourth proportional to 47,263.20, 71,000.40 and 39,487.20 is: 59,319.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,263.20 : 71,000.40 = 39,487.20 : x
  2. Step 2: Convert to fraction form
    47,263.20/71,000.40 = 39,487.20/x
  3. Step 3: Cross multiply
    47,263.20x = 71,000.40 × 39,487.20
  4. Step 4: Simplify right side
    47,263.20x = 2,803,606,994.88
  5. Step 5: Solve for x
    x = 2,803,606,994.88/47,263.20
  6. Step 6: Final answer
    x = 59,319.03

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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.