Home / 38,151.64-52,648.32-21,155.95

Finding the Fourth Proportional to 38,151.64, 52,648.32 and 21,155.95

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Solution

The fourth proportional to 38,151.64, 52,648.32 and 21,155.95 is: 29,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,151.64 : 52,648.32 = 21,155.95 : x
  2. Step 2: Convert to fraction form
    38,151.64/52,648.32 = 21,155.95/x
  3. Step 3: Cross multiply
    38,151.64x = 52,648.32 × 21,155.95
  4. Step 4: Simplify right side
    38,151.64x = 1,113,825,225.50
  5. Step 5: Solve for x
    x = 1,113,825,225.50/38,151.64
  6. Step 6: Final answer
    x = 29,194.69

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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.