Home / 34,739.78-47,948.76-19,641.18

Finding the Fourth Proportional to 34,739.78, 47,948.76 and 19,641.18

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Solution

The fourth proportional to 34,739.78, 47,948.76 and 19,641.18 is: 27,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,739.78 : 47,948.76 = 19,641.18 : x
  2. Step 2: Convert to fraction form
    34,739.78/47,948.76 = 19,641.18/x
  3. Step 3: Cross multiply
    34,739.78x = 47,948.76 × 19,641.18
  4. Step 4: Simplify right side
    34,739.78x = 941,770,225.94
  5. Step 5: Solve for x
    x = 941,770,225.94/34,739.78
  6. Step 6: Final answer
    x = 27,109.28

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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.