Home / 45,420.87-62,681.21-25,278.60

Finding the Fourth Proportional to 45,420.87, 62,681.21 and 25,278.60

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Solution

The fourth proportional to 45,420.87, 62,681.21 and 25,278.60 is: 34,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,420.87 : 62,681.21 = 25,278.60 : x
  2. Step 2: Convert to fraction form
    45,420.87/62,681.21 = 25,278.60/x
  3. Step 3: Cross multiply
    45,420.87x = 62,681.21 × 25,278.60
  4. Step 4: Simplify right side
    45,420.87x = 1,584,493,235.11
  5. Step 5: Solve for x
    x = 1,584,493,235.11/45,420.87
  6. Step 6: Final answer
    x = 34,884.70

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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.