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Finding the Fourth Proportional to 47,436.68, 65,458.68 and 26,215.94

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Solution

The fourth proportional to 47,436.68, 65,458.68 and 26,215.94 is: 36,175.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,436.68 : 65,458.68 = 26,215.94 : x
  2. Step 2: Convert to fraction form
    47,436.68/65,458.68 = 26,215.94/x
  3. Step 3: Cross multiply
    47,436.68x = 65,458.68 × 26,215.94
  4. Step 4: Simplify right side
    47,436.68x = 1,716,060,827.36
  5. Step 5: Solve for x
    x = 1,716,060,827.36/47,436.68
  6. Step 6: Final answer
    x = 36,175.82

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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.