Home / 45,421.78-62,681.61-25,278.32

Finding the Fourth Proportional to 45,421.78, 62,681.61 and 25,278.32

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Solution

The fourth proportional to 45,421.78, 62,681.61 and 25,278.32 is: 34,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,421.78 : 62,681.61 = 25,278.32 : x
  2. Step 2: Convert to fraction form
    45,421.78/62,681.61 = 25,278.32/x
  3. Step 3: Cross multiply
    45,421.78x = 62,681.61 × 25,278.32
  4. Step 4: Simplify right side
    45,421.78x = 1,584,485,795.70
  5. Step 5: Solve for x
    x = 1,584,485,795.70/45,421.78
  6. Step 6: Final answer
    x = 34,883.83

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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.