Home / 34,256.78-47,275.20-19,151.95

Finding the Fourth Proportional to 34,256.78, 47,275.20 and 19,151.95

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Solution

The fourth proportional to 34,256.78, 47,275.20 and 19,151.95 is: 26,430.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,256.78 : 47,275.20 = 19,151.95 : x
  2. Step 2: Convert to fraction form
    34,256.78/47,275.20 = 19,151.95/x
  3. Step 3: Cross multiply
    34,256.78x = 47,275.20 × 19,151.95
  4. Step 4: Simplify right side
    34,256.78x = 905,411,934.50
  5. Step 5: Solve for x
    x = 905,411,934.50/34,256.78
  6. Step 6: Final answer
    x = 26,430.16

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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.