Home / 47,857.78-66,042.97-26,637.40

Finding the Fourth Proportional to 47,857.78, 66,042.97 and 26,637.40

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Solution

The fourth proportional to 47,857.78, 66,042.97 and 26,637.40 is: 36,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,857.78 : 66,042.97 = 26,637.40 : x
  2. Step 2: Convert to fraction form
    47,857.78/66,042.97 = 26,637.40/x
  3. Step 3: Cross multiply
    47,857.78x = 66,042.97 × 26,637.40
  4. Step 4: Simplify right side
    47,857.78x = 1,759,213,009.08
  5. Step 5: Solve for x
    x = 1,759,213,009.08/47,857.78
  6. Step 6: Final answer
    x = 36,759.19

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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.