Home / 83,513.88-125,269.74-20,334.12

Finding the Fourth Proportional to 83,513.88, 125,269.74 and 20,334.12

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Solution

The fourth proportional to 83,513.88, 125,269.74 and 20,334.12 is: 30,500.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,513.88 : 125,269.74 = 20,334.12 : x
  2. Step 2: Convert to fraction form
    83,513.88/125,269.74 = 20,334.12/x
  3. Step 3: Cross multiply
    83,513.88x = 125,269.74 × 20,334.12
  4. Step 4: Simplify right side
    83,513.88x = 2,547,249,925.53
  5. Step 5: Solve for x
    x = 2,547,249,925.53/83,513.88
  6. Step 6: Final answer
    x = 30,500.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.