Home / 42,464.07-63,687.60-40,356.45

Finding the Fourth Proportional to 42,464.07, 63,687.60 and 40,356.45

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Solution

The fourth proportional to 42,464.07, 63,687.60 and 40,356.45 is: 60,526.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,464.07 : 63,687.60 = 40,356.45 : x
  2. Step 2: Convert to fraction form
    42,464.07/63,687.60 = 40,356.45/x
  3. Step 3: Cross multiply
    42,464.07x = 63,687.60 × 40,356.45
  4. Step 4: Simplify right side
    42,464.07x = 2,570,205,445.02
  5. Step 5: Solve for x
    x = 2,570,205,445.02/42,464.07
  6. Step 6: Final answer
    x = 60,526.59

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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.