Home / 42,672.36-63,969.82-14,955.24

Finding the Fourth Proportional to 42,672.36, 63,969.82 and 14,955.24

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Solution

The fourth proportional to 42,672.36, 63,969.82 and 14,955.24 is: 22,419.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,672.36 : 63,969.82 = 14,955.24 : x
  2. Step 2: Convert to fraction form
    42,672.36/63,969.82 = 14,955.24/x
  3. Step 3: Cross multiply
    42,672.36x = 63,969.82 × 14,955.24
  4. Step 4: Simplify right side
    42,672.36x = 956,684,010.86
  5. Step 5: Solve for x
    x = 956,684,010.86/42,672.36
  6. Step 6: Final answer
    x = 22,419.29

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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.