Home / 61,228.64-91,840.08-25,680.72

Finding the Fourth Proportional to 61,228.64, 91,840.08 and 25,680.72

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Solution

The fourth proportional to 61,228.64, 91,840.08 and 25,680.72 is: 38,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,228.64 : 91,840.08 = 25,680.72 : x
  2. Step 2: Convert to fraction form
    61,228.64/91,840.08 = 25,680.72/x
  3. Step 3: Cross multiply
    61,228.64x = 91,840.08 × 25,680.72
  4. Step 4: Simplify right side
    61,228.64x = 2,358,519,379.26
  5. Step 5: Solve for x
    x = 2,358,519,379.26/61,228.64
  6. Step 6: Final answer
    x = 38,519.87

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1.5x scale

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.