Home / 30,113.15-45,211.10-15,332

Finding the Fourth Proportional to 30,113.15, 45,211.10 and 15,332

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Solution

The fourth proportional to 30,113.15, 45,211.10 and 15,332 is: 23,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113.15 : 45,211.10 = 15,332 : x
  2. Step 2: Convert to fraction form
    30,113.15/45,211.10 = 15,332/x
  3. Step 3: Cross multiply
    30,113.15x = 45,211.10 × 15,332
  4. Step 4: Simplify right side
    30,113.15x = 693,176,585.20
  5. Step 5: Solve for x
    x = 693,176,585.20/30,113.15
  6. Step 6: Final answer
    x = 23,019.07

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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.