Home / 42,418.79-63,617.68-14,338.23

Finding the Fourth Proportional to 42,418.79, 63,617.68 and 14,338.23

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Solution

The fourth proportional to 42,418.79, 63,617.68 and 14,338.23 is: 21,503.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,418.79 : 63,617.68 = 14,338.23 : x
  2. Step 2: Convert to fraction form
    42,418.79/63,617.68 = 14,338.23/x
  3. Step 3: Cross multiply
    42,418.79x = 63,617.68 × 14,338.23
  4. Step 4: Simplify right side
    42,418.79x = 912,164,707.26
  5. Step 5: Solve for x
    x = 912,164,707.26/42,418.79
  6. Step 6: Final answer
    x = 21,503.79

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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.