Home / 52,031.78-71,803.98-28,158.68

Finding the Fourth Proportional to 52,031.78, 71,803.98 and 28,158.68

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Solution

The fourth proportional to 52,031.78, 71,803.98 and 28,158.68 is: 38,859.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,031.78 : 71,803.98 = 28,158.68 : x
  2. Step 2: Convert to fraction form
    52,031.78/71,803.98 = 28,158.68/x
  3. Step 3: Cross multiply
    52,031.78x = 71,803.98 × 28,158.68
  4. Step 4: Simplify right side
    52,031.78x = 2,021,905,295.55
  5. Step 5: Solve for x
    x = 2,021,905,295.55/52,031.78
  6. Step 6: Final answer
    x = 38,859.05

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1.5x scale

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.