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Finding the Fourth Proportional to 63,391.56, 87,486.23 and 35,097.26

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Solution

The fourth proportional to 63,391.56, 87,486.23 and 35,097.26 is: 48,437.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,391.56 : 87,486.23 = 35,097.26 : x
  2. Step 2: Convert to fraction form
    63,391.56/87,486.23 = 35,097.26/x
  3. Step 3: Cross multiply
    63,391.56x = 87,486.23 × 35,097.26
  4. Step 4: Simplify right side
    63,391.56x = 3,070,526,347.81
  5. Step 5: Solve for x
    x = 3,070,526,347.81/63,391.56
  6. Step 6: Final answer
    x = 48,437.46

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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.