Home / 59,884.38-89,834.58-20,430.90

Finding the Fourth Proportional to 59,884.38, 89,834.58 and 20,430.90

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Solution

The fourth proportional to 59,884.38, 89,834.58 and 20,430.90 is: 30,649.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,884.38 : 89,834.58 = 20,430.90 : x
  2. Step 2: Convert to fraction form
    59,884.38/89,834.58 = 20,430.90/x
  3. Step 3: Cross multiply
    59,884.38x = 89,834.58 × 20,430.90
  4. Step 4: Simplify right side
    59,884.38x = 1,835,401,320.52
  5. Step 5: Solve for x
    x = 1,835,401,320.52/59,884.38
  6. Step 6: Final answer
    x = 30,649.08

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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.