Home / 34,071.28-47,012.75-18,963.55

Finding the Fourth Proportional to 34,071.28, 47,012.75 and 18,963.55

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Solution

The fourth proportional to 34,071.28, 47,012.75 and 18,963.55 is: 26,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,071.28 : 47,012.75 = 18,963.55 : x
  2. Step 2: Convert to fraction form
    34,071.28/47,012.75 = 18,963.55/x
  3. Step 3: Cross multiply
    34,071.28x = 47,012.75 × 18,963.55
  4. Step 4: Simplify right side
    34,071.28x = 891,528,776.99
  5. Step 5: Solve for x
    x = 891,528,776.99/34,071.28
  6. Step 6: Final answer
    x = 26,166.57

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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.