Home / 42,650.13-63,986.54-14,570.15

Finding the Fourth Proportional to 42,650.13, 63,986.54 and 14,570.15

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Solution

The fourth proportional to 42,650.13, 63,986.54 and 14,570.15 is: 21,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,650.13 : 63,986.54 = 14,570.15 : x
  2. Step 2: Convert to fraction form
    42,650.13/63,986.54 = 14,570.15/x
  3. Step 3: Cross multiply
    42,650.13x = 63,986.54 × 14,570.15
  4. Step 4: Simplify right side
    42,650.13x = 932,293,202.27
  5. Step 5: Solve for x
    x = 932,293,202.27/42,650.13
  6. Step 6: Final answer
    x = 21,859.09

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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.