Home / 45,541.89-62,887.47-28,575.30

Finding the Fourth Proportional to 45,541.89, 62,887.47 and 28,575.30

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Solution

The fourth proportional to 45,541.89, 62,887.47 and 28,575.30 is: 39,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,541.89 : 62,887.47 = 28,575.30 : x
  2. Step 2: Convert to fraction form
    45,541.89/62,887.47 = 28,575.30/x
  3. Step 3: Cross multiply
    45,541.89x = 62,887.47 × 28,575.30
  4. Step 4: Simplify right side
    45,541.89x = 1,797,028,321.49
  5. Step 5: Solve for x
    x = 1,797,028,321.49/45,541.89
  6. Step 6: Final answer
    x = 39,458.80

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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.