Home / 38,937.64-53,751.30-29,981.80

Finding the Fourth Proportional to 38,937.64, 53,751.30 and 29,981.80

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Solution

The fourth proportional to 38,937.64, 53,751.30 and 29,981.80 is: 41,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,937.64 : 53,751.30 = 29,981.80 : x
  2. Step 2: Convert to fraction form
    38,937.64/53,751.30 = 29,981.80/x
  3. Step 3: Cross multiply
    38,937.64x = 53,751.30 × 29,981.80
  4. Step 4: Simplify right side
    38,937.64x = 1,611,560,726.34
  5. Step 5: Solve for x
    x = 1,611,560,726.34/38,937.64
  6. Step 6: Final answer
    x = 41,388.25

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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.