Home / 65,877.08-98,818.34-19,129.95

Finding the Fourth Proportional to 65,877.08, 98,818.34 and 19,129.95

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Solution

The fourth proportional to 65,877.08, 98,818.34 and 19,129.95 is: 28,695.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,877.08 : 98,818.34 = 19,129.95 : x
  2. Step 2: Convert to fraction form
    65,877.08/98,818.34 = 19,129.95/x
  3. Step 3: Cross multiply
    65,877.08x = 98,818.34 × 19,129.95
  4. Step 4: Simplify right side
    65,877.08x = 1,890,389,807.63
  5. Step 5: Solve for x
    x = 1,890,389,807.63/65,877.08
  6. Step 6: Final answer
    x = 28,695.72

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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.