Home / 47,871.68-66,063.40-29,977.16

Finding the Fourth Proportional to 47,871.68, 66,063.40 and 29,977.16

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Solution

The fourth proportional to 47,871.68, 66,063.40 and 29,977.16 is: 41,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,871.68 : 66,063.40 = 29,977.16 : x
  2. Step 2: Convert to fraction form
    47,871.68/66,063.40 = 29,977.16/x
  3. Step 3: Cross multiply
    47,871.68x = 66,063.40 × 29,977.16
  4. Step 4: Simplify right side
    47,871.68x = 1,980,392,706.68
  5. Step 5: Solve for x
    x = 1,980,392,706.68/47,871.68
  6. Step 6: Final answer
    x = 41,368.78

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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.