Home / 38,333.76-52,903.08-21,337.80

Finding the Fourth Proportional to 38,333.76, 52,903.08 and 21,337.80

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Solution

The fourth proportional to 38,333.76, 52,903.08 and 21,337.80 is: 29,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,333.76 : 52,903.08 = 21,337.80 : x
  2. Step 2: Convert to fraction form
    38,333.76/52,903.08 = 21,337.80/x
  3. Step 3: Cross multiply
    38,333.76x = 52,903.08 × 21,337.80
  4. Step 4: Simplify right side
    38,333.76x = 1,128,835,340.42
  5. Step 5: Solve for x
    x = 1,128,835,340.42/38,333.76
  6. Step 6: Final answer
    x = 29,447.55

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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.