Home / 63,986.22-88,285.95-38,830.86

Finding the Fourth Proportional to 63,986.22, 88,285.95 and 38,830.86

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Solution

The fourth proportional to 63,986.22, 88,285.95 and 38,830.86 is: 53,577.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,986.22 : 88,285.95 = 38,830.86 : x
  2. Step 2: Convert to fraction form
    63,986.22/88,285.95 = 38,830.86/x
  3. Step 3: Cross multiply
    63,986.22x = 88,285.95 × 38,830.86
  4. Step 4: Simplify right side
    63,986.22x = 3,428,219,364.42
  5. Step 5: Solve for x
    x = 3,428,219,364.42/63,986.22
  6. Step 6: Final answer
    x = 53,577.46

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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.