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Finding the Fourth Proportional to 48,362.81, 66,741.36 and 26,560.88

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Solution

The fourth proportional to 48,362.81, 66,741.36 and 26,560.88 is: 36,654.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,362.81 : 66,741.36 = 26,560.88 : x
  2. Step 2: Convert to fraction form
    48,362.81/66,741.36 = 26,560.88/x
  3. Step 3: Cross multiply
    48,362.81x = 66,741.36 × 26,560.88
  4. Step 4: Simplify right side
    48,362.81x = 1,772,708,920.29
  5. Step 5: Solve for x
    x = 1,772,708,920.29/48,362.81
  6. Step 6: Final answer
    x = 36,654.39

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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.