Home / 47,346.39-71,031.15-15,756.39

Finding the Fourth Proportional to 47,346.39, 71,031.15 and 15,756.39

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Solution

The fourth proportional to 47,346.39, 71,031.15 and 15,756.39 is: 23,638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,346.39 : 71,031.15 = 15,756.39 : x
  2. Step 2: Convert to fraction form
    47,346.39/71,031.15 = 15,756.39/x
  3. Step 3: Cross multiply
    47,346.39x = 71,031.15 × 15,756.39
  4. Step 4: Simplify right side
    47,346.39x = 1,119,194,501.55
  5. Step 5: Solve for x
    x = 1,119,194,501.55/47,346.39
  6. Step 6: Final answer
    x = 23,638.43

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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.