Home / 42,406.86-63,610.29-14,326.99

Finding the Fourth Proportional to 42,406.86, 63,610.29 and 14,326.99

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Solution

The fourth proportional to 42,406.86, 63,610.29 and 14,326.99 is: 21,490.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,406.86 : 63,610.29 = 14,326.99 : x
  2. Step 2: Convert to fraction form
    42,406.86/63,610.29 = 14,326.99/x
  3. Step 3: Cross multiply
    42,406.86x = 63,610.29 × 14,326.99
  4. Step 4: Simplify right side
    42,406.86x = 911,343,988.73
  5. Step 5: Solve for x
    x = 911,343,988.73/42,406.86
  6. Step 6: Final answer
    x = 21,490.49

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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.