Home / 65,827.86-90,829.02-38,956.92

Finding the Fourth Proportional to 65,827.86, 90,829.02 and 38,956.92

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Solution

The fourth proportional to 65,827.86, 90,829.02 and 38,956.92 is: 53,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,827.86 : 90,829.02 = 38,956.92 : x
  2. Step 2: Convert to fraction form
    65,827.86/90,829.02 = 38,956.92/x
  3. Step 3: Cross multiply
    65,827.86x = 90,829.02 × 38,956.92
  4. Step 4: Simplify right side
    65,827.86x = 3,538,418,865.82
  5. Step 5: Solve for x
    x = 3,538,418,865.82/65,827.86
  6. Step 6: Final answer
    x = 53,752.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.