Home / 47,876.40-66,067.64-26,655.22

Finding the Fourth Proportional to 47,876.40, 66,067.64 and 26,655.22

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Solution

The fourth proportional to 47,876.40, 66,067.64 and 26,655.22 is: 36,783.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,876.40 : 66,067.64 = 26,655.22 : x
  2. Step 2: Convert to fraction form
    47,876.40/66,067.64 = 26,655.22/x
  3. Step 3: Cross multiply
    47,876.40x = 66,067.64 × 26,655.22
  4. Step 4: Simplify right side
    47,876.40x = 1,761,047,479.08
  5. Step 5: Solve for x
    x = 1,761,047,479.08/47,876.40
  6. Step 6: Final answer
    x = 36,783.21

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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.