Home / 65,228.13-97,810.61-31,909.19

Finding the Fourth Proportional to 65,228.13, 97,810.61 and 31,909.19

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Solution

The fourth proportional to 65,228.13, 97,810.61 and 31,909.19 is: 47,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,228.13 : 97,810.61 = 31,909.19 : x
  2. Step 2: Convert to fraction form
    65,228.13/97,810.61 = 31,909.19/x
  3. Step 3: Cross multiply
    65,228.13x = 97,810.61 × 31,909.19
  4. Step 4: Simplify right side
    65,228.13x = 3,121,056,689.91
  5. Step 5: Solve for x
    x = 3,121,056,689.91/65,228.13
  6. Step 6: Final answer
    x = 47,848.32

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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.