Home / 83,334.56-125,002.66-21,005.06

Finding the Fourth Proportional to 83,334.56, 125,002.66 and 21,005.06

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Solution

The fourth proportional to 83,334.56, 125,002.66 and 21,005.06 is: 31,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,334.56 : 125,002.66 = 21,005.06 : x
  2. Step 2: Convert to fraction form
    83,334.56/125,002.66 = 21,005.06/x
  3. Step 3: Cross multiply
    83,334.56x = 125,002.66 × 21,005.06
  4. Step 4: Simplify right side
    83,334.56x = 2,625,688,373.46
  5. Step 5: Solve for x
    x = 2,625,688,373.46/83,334.56
  6. Step 6: Final answer
    x = 31,507.80

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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.