Home / 38,864.21-58,298.13-12,571.00

Finding the Fourth Proportional to 38,864.21, 58,298.13 and 12,571.00

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Solution

The fourth proportional to 38,864.21, 58,298.13 and 12,571.00 is: 18,857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,864.21 : 58,298.13 = 12,571.00 : x
  2. Step 2: Convert to fraction form
    38,864.21/58,298.13 = 12,571.00/x
  3. Step 3: Cross multiply
    38,864.21x = 58,298.13 × 12,571.00
  4. Step 4: Simplify right side
    38,864.21x = 732,865,646.48
  5. Step 5: Solve for x
    x = 732,865,646.48/38,864.21
  6. Step 6: Final answer
    x = 18,857.09

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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.