Home / 61,148.14-84,348.68-38,451.20

Finding the Fourth Proportional to 61,148.14, 84,348.68 and 38,451.20

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Solution

The fourth proportional to 61,148.14, 84,348.68 and 38,451.20 is: 53,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,148.14 : 84,348.68 = 38,451.20 : x
  2. Step 2: Convert to fraction form
    61,148.14/84,348.68 = 38,451.20/x
  3. Step 3: Cross multiply
    61,148.14x = 84,348.68 × 38,451.20
  4. Step 4: Simplify right side
    61,148.14x = 3,243,307,964.42
  5. Step 5: Solve for x
    x = 3,243,307,964.42/61,148.14
  6. Step 6: Final answer
    x = 53,040.17

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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.