Home / 83,730.84-125,596.08-21,401.16

Finding the Fourth Proportional to 83,730.84, 125,596.08 and 21,401.16

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Solution

The fourth proportional to 83,730.84, 125,596.08 and 21,401.16 is: 32,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,730.84 : 125,596.08 = 21,401.16 : x
  2. Step 2: Convert to fraction form
    83,730.84/125,596.08 = 21,401.16/x
  3. Step 3: Cross multiply
    83,730.84x = 125,596.08 × 21,401.16
  4. Step 4: Simplify right side
    83,730.84x = 2,687,901,803.45
  5. Step 5: Solve for x
    x = 2,687,901,803.45/83,730.84
  6. Step 6: Final answer
    x = 32,101.69

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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.