Home / 45,321.04-62,548.92-28,330.76

Finding the Fourth Proportional to 45,321.04, 62,548.92 and 28,330.76

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Solution

The fourth proportional to 45,321.04, 62,548.92 and 28,330.76 is: 39,100.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,321.04 : 62,548.92 = 28,330.76 : x
  2. Step 2: Convert to fraction form
    45,321.04/62,548.92 = 28,330.76/x
  3. Step 3: Cross multiply
    45,321.04x = 62,548.92 × 28,330.76
  4. Step 4: Simplify right side
    45,321.04x = 1,772,058,440.78
  5. Step 5: Solve for x
    x = 1,772,058,440.78/45,321.04
  6. Step 6: Final answer
    x = 39,100.13

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Double scale
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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.