Home / 47,580.24-65,656.25-28,456.06

Finding the Fourth Proportional to 47,580.24, 65,656.25 and 28,456.06

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Solution

The fourth proportional to 47,580.24, 65,656.25 and 28,456.06 is: 39,266.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,580.24 : 65,656.25 = 28,456.06 : x
  2. Step 2: Convert to fraction form
    47,580.24/65,656.25 = 28,456.06/x
  3. Step 3: Cross multiply
    47,580.24x = 65,656.25 × 28,456.06
  4. Step 4: Simplify right side
    47,580.24x = 1,868,318,032.74
  5. Step 5: Solve for x
    x = 1,868,318,032.74/47,580.24
  6. Step 6: Final answer
    x = 39,266.68

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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.