Home / 53,332.90-79,937.79-20,031.67

Finding the Fourth Proportional to 53,332.90, 79,937.79 and 20,031.67

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Solution

The fourth proportional to 53,332.90, 79,937.79 and 20,031.67 is: 30,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,332.90 : 79,937.79 = 20,031.67 : x
  2. Step 2: Convert to fraction form
    53,332.90/79,937.79 = 20,031.67/x
  3. Step 3: Cross multiply
    53,332.90x = 79,937.79 × 20,031.67
  4. Step 4: Simplify right side
    53,332.90x = 1,601,287,454.61
  5. Step 5: Solve for x
    x = 1,601,287,454.61/53,332.90
  6. Step 6: Final answer
    x = 30,024.39

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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.