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Finding the Fourth Proportional to 45,407.88, 62,662.94 and 25,535.88

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Solution

The fourth proportional to 45,407.88, 62,662.94 and 25,535.88 is: 35,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,407.88 : 62,662.94 = 25,535.88 : x
  2. Step 2: Convert to fraction form
    45,407.88/62,662.94 = 25,535.88/x
  3. Step 3: Cross multiply
    45,407.88x = 62,662.94 × 25,535.88
  4. Step 4: Simplify right side
    45,407.88x = 1,600,153,316.29
  5. Step 5: Solve for x
    x = 1,600,153,316.29/45,407.88
  6. Step 6: Final answer
    x = 35,239.55

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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.