Home / 70,730.38-97,605.69-38,899.18

Finding the Fourth Proportional to 70,730.38, 97,605.69 and 38,899.18

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Solution

The fourth proportional to 70,730.38, 97,605.69 and 38,899.18 is: 53,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,730.38 : 97,605.69 = 38,899.18 : x
  2. Step 2: Convert to fraction form
    70,730.38/97,605.69 = 38,899.18/x
  3. Step 3: Cross multiply
    70,730.38x = 97,605.69 × 38,899.18
  4. Step 4: Simplify right side
    70,730.38x = 3,796,781,304.33
  5. Step 5: Solve for x
    x = 3,796,781,304.33/70,730.38
  6. Step 6: Final answer
    x = 53,679.64

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1.5x scale

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.