Home / 61,152.14-84,354.20-38,455.20

Finding the Fourth Proportional to 61,152.14, 84,354.20 and 38,455.20

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Solution

The fourth proportional to 61,152.14, 84,354.20 and 38,455.20 is: 53,045.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,152.14 : 84,354.20 = 38,455.20 : x
  2. Step 2: Convert to fraction form
    61,152.14/84,354.20 = 38,455.20/x
  3. Step 3: Cross multiply
    61,152.14x = 84,354.20 × 38,455.20
  4. Step 4: Simplify right side
    61,152.14x = 3,243,857,631.84
  5. Step 5: Solve for x
    x = 3,243,857,631.84/61,152.14
  6. Step 6: Final answer
    x = 53,045.69

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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.