Home / 50,081.16-69,111.36-28,862.40

Finding the Fourth Proportional to 50,081.16, 69,111.36 and 28,862.40

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Solution

The fourth proportional to 50,081.16, 69,111.36 and 28,862.40 is: 39,829.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,081.16 : 69,111.36 = 28,862.40 : x
  2. Step 2: Convert to fraction form
    50,081.16/69,111.36 = 28,862.40/x
  3. Step 3: Cross multiply
    50,081.16x = 69,111.36 × 28,862.40
  4. Step 4: Simplify right side
    50,081.16x = 1,994,719,716.86
  5. Step 5: Solve for x
    x = 1,994,719,716.86/50,081.16
  6. Step 6: Final answer
    x = 39,829.74

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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.