Home / 39,919.13-59,825.50-18,864.76

Finding the Fourth Proportional to 39,919.13, 59,825.50 and 18,864.76

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Solution

The fourth proportional to 39,919.13, 59,825.50 and 18,864.76 is: 28,272.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,919.13 : 59,825.50 = 18,864.76 : x
  2. Step 2: Convert to fraction form
    39,919.13/59,825.50 = 18,864.76/x
  3. Step 3: Cross multiply
    39,919.13x = 59,825.50 × 18,864.76
  4. Step 4: Simplify right side
    39,919.13x = 1,128,593,703.42
  5. Step 5: Solve for x
    x = 1,128,593,703.42/39,919.13
  6. Step 6: Final answer
    x = 28,272.00

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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.