Home / 20,332.95-30,498.53-5,541.87

Finding the Fourth Proportional to 20,332.95, 30,498.53 and 5,541.87

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Solution

The fourth proportional to 20,332.95, 30,498.53 and 5,541.87 is: 8,312.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332.95 : 30,498.53 = 5,541.87 : x
  2. Step 2: Convert to fraction form
    20,332.95/30,498.53 = 5,541.87/x
  3. Step 3: Cross multiply
    20,332.95x = 30,498.53 × 5,541.87
  4. Step 4: Simplify right side
    20,332.95x = 169,018,764.07
  5. Step 5: Solve for x
    x = 169,018,764.07/20,332.95
  6. Step 6: Final answer
    x = 8,312.56

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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.