Home / 38,871.85-58,312.56-13,914.55

Finding the Fourth Proportional to 38,871.85, 58,312.56 and 13,914.55

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Solution

The fourth proportional to 38,871.85, 58,312.56 and 13,914.55 is: 20,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871.85 : 58,312.56 = 13,914.55 : x
  2. Step 2: Convert to fraction form
    38,871.85/58,312.56 = 13,914.55/x
  3. Step 3: Cross multiply
    38,871.85x = 58,312.56 × 13,914.55
  4. Step 4: Simplify right side
    38,871.85x = 811,393,031.75
  5. Step 5: Solve for x
    x = 811,393,031.75/38,871.85
  6. Step 6: Final answer
    x = 20,873.54

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1.5x scale

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.