Home / 47,875.77-66,080.20-27,729.40

Finding the Fourth Proportional to 47,875.77, 66,080.20 and 27,729.40

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Solution

The fourth proportional to 47,875.77, 66,080.20 and 27,729.40 is: 38,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,875.77 : 66,080.20 = 27,729.40 : x
  2. Step 2: Convert to fraction form
    47,875.77/66,080.20 = 27,729.40/x
  3. Step 3: Cross multiply
    47,875.77x = 66,080.20 × 27,729.40
  4. Step 4: Simplify right side
    47,875.77x = 1,832,364,167.34
  5. Step 5: Solve for x
    x = 1,832,364,167.34/47,875.77
  6. Step 6: Final answer
    x = 38,273.31

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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.