Home / 34,531.90-47,653.76-19,627.90

Finding the Fourth Proportional to 34,531.90, 47,653.76 and 19,627.90

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Solution

The fourth proportional to 34,531.90, 47,653.76 and 19,627.90 is: 27,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,531.90 : 47,653.76 = 19,627.90 : x
  2. Step 2: Convert to fraction form
    34,531.90/47,653.76 = 19,627.90/x
  3. Step 3: Cross multiply
    34,531.90x = 47,653.76 × 19,627.90
  4. Step 4: Simplify right side
    34,531.90x = 935,343,235.90
  5. Step 5: Solve for x
    x = 935,343,235.90/34,531.90
  6. Step 6: Final answer
    x = 27,086.35

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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.