Home / 61,429.92-84,777.72-34,575.12

Finding the Fourth Proportional to 61,429.92, 84,777.72 and 34,575.12

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Solution

The fourth proportional to 61,429.92, 84,777.72 and 34,575.12 is: 47,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,429.92 : 84,777.72 = 34,575.12 : x
  2. Step 2: Convert to fraction form
    61,429.92/84,777.72 = 34,575.12/x
  3. Step 3: Cross multiply
    61,429.92x = 84,777.72 × 34,575.12
  4. Step 4: Simplify right side
    61,429.92x = 2,931,199,842.33
  5. Step 5: Solve for x
    x = 2,931,199,842.33/61,429.92
  6. Step 6: Final answer
    x = 47,716.16

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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.