Home / 34,378.09-47,443.66-19,275.57

Finding the Fourth Proportional to 34,378.09, 47,443.66 and 19,275.57

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Solution

The fourth proportional to 34,378.09, 47,443.66 and 19,275.57 is: 26,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,378.09 : 47,443.66 = 19,275.57 : x
  2. Step 2: Convert to fraction form
    34,378.09/47,443.66 = 19,275.57/x
  3. Step 3: Cross multiply
    34,378.09x = 47,443.66 × 19,275.57
  4. Step 4: Simplify right side
    34,378.09x = 914,503,541.20
  5. Step 5: Solve for x
    x = 914,503,541.20/34,378.09
  6. Step 6: Final answer
    x = 26,601.35

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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.