Home / 38,864.71-58,298.88-12,571.50

Finding the Fourth Proportional to 38,864.71, 58,298.88 and 12,571.50

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Solution

The fourth proportional to 38,864.71, 58,298.88 and 12,571.50 is: 18,857.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,864.71 : 58,298.88 = 12,571.50 : x
  2. Step 2: Convert to fraction form
    38,864.71/58,298.88 = 12,571.50/x
  3. Step 3: Cross multiply
    38,864.71x = 58,298.88 × 12,571.50
  4. Step 4: Simplify right side
    38,864.71x = 732,904,369.92
  5. Step 5: Solve for x
    x = 732,904,369.92/38,864.71
  6. Step 6: Final answer
    x = 18,857.84

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1.5x scale

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.