Home / 34,862.40-48,109.55-18,947.12

Finding the Fourth Proportional to 34,862.40, 48,109.55 and 18,947.12

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Solution

The fourth proportional to 34,862.40, 48,109.55 and 18,947.12 is: 26,146.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,862.40 : 48,109.55 = 18,947.12 : x
  2. Step 2: Convert to fraction form
    34,862.40/48,109.55 = 18,947.12/x
  3. Step 3: Cross multiply
    34,862.40x = 48,109.55 × 18,947.12
  4. Step 4: Simplify right side
    34,862.40x = 911,537,081.71
  5. Step 5: Solve for x
    x = 911,537,081.71/34,862.40
  6. Step 6: Final answer
    x = 26,146.71

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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.