Home / 42,336.78-63,507.65-14,254.48

Finding the Fourth Proportional to 42,336.78, 63,507.65 and 14,254.48

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Solution

The fourth proportional to 42,336.78, 63,507.65 and 14,254.48 is: 21,382.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,336.78 : 63,507.65 = 14,254.48 : x
  2. Step 2: Convert to fraction form
    42,336.78/63,507.65 = 14,254.48/x
  3. Step 3: Cross multiply
    42,336.78x = 63,507.65 × 14,254.48
  4. Step 4: Simplify right side
    42,336.78x = 905,268,534.88
  5. Step 5: Solve for x
    x = 905,268,534.88/42,336.78
  6. Step 6: Final answer
    x = 21,382.56

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1.5x scale

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.