Home / 65,218.40-97,827.60-38,974.40

Finding the Fourth Proportional to 65,218.40, 97,827.60 and 38,974.40

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Solution

The fourth proportional to 65,218.40, 97,827.60 and 38,974.40 is: 58,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,218.40 : 97,827.60 = 38,974.40 : x
  2. Step 2: Convert to fraction form
    65,218.40/97,827.60 = 38,974.40/x
  3. Step 3: Cross multiply
    65,218.40x = 97,827.60 × 38,974.40
  4. Step 4: Simplify right side
    65,218.40x = 3,812,772,013.44
  5. Step 5: Solve for x
    x = 3,812,772,013.44/65,218.40
  6. Step 6: Final answer
    x = 58,461.60

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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.