Home / 42,378.96-63,565.68-17,412.54

Finding the Fourth Proportional to 42,378.96, 63,565.68 and 17,412.54

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Solution

The fourth proportional to 42,378.96, 63,565.68 and 17,412.54 is: 26,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,378.96 : 63,565.68 = 17,412.54 : x
  2. Step 2: Convert to fraction form
    42,378.96/63,565.68 = 17,412.54/x
  3. Step 3: Cross multiply
    42,378.96x = 63,565.68 × 17,412.54
  4. Step 4: Simplify right side
    42,378.96x = 1,106,839,945.63
  5. Step 5: Solve for x
    x = 1,106,839,945.63/42,378.96
  6. Step 6: Final answer
    x = 26,117.68

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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.