Home / 47,934.38-66,129.96-31,809.29

Finding the Fourth Proportional to 47,934.38, 66,129.96 and 31,809.29

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Solution

The fourth proportional to 47,934.38, 66,129.96 and 31,809.29 is: 43,883.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,934.38 : 66,129.96 = 31,809.29 : x
  2. Step 2: Convert to fraction form
    47,934.38/66,129.96 = 31,809.29/x
  3. Step 3: Cross multiply
    47,934.38x = 66,129.96 × 31,809.29
  4. Step 4: Simplify right side
    47,934.38x = 2,103,547,075.33
  5. Step 5: Solve for x
    x = 2,103,547,075.33/47,934.38
  6. Step 6: Final answer
    x = 43,883.89

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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.