Home / 57,320.64-85,981.95-19,882.02

Finding the Fourth Proportional to 57,320.64, 85,981.95 and 19,882.02

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Solution

The fourth proportional to 57,320.64, 85,981.95 and 19,882.02 is: 29,823.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,320.64 : 85,981.95 = 19,882.02 : x
  2. Step 2: Convert to fraction form
    57,320.64/85,981.95 = 19,882.02/x
  3. Step 3: Cross multiply
    57,320.64x = 85,981.95 × 19,882.02
  4. Step 4: Simplify right side
    57,320.64x = 1,709,494,849.54
  5. Step 5: Solve for x
    x = 1,709,494,849.54/57,320.64
  6. Step 6: Final answer
    x = 29,823.37

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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.