Home / 38,842.40-58,263.60-12,192.50

Finding the Fourth Proportional to 38,842.40, 58,263.60 and 12,192.50

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Solution

The fourth proportional to 38,842.40, 58,263.60 and 12,192.50 is: 18,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,842.40 : 58,263.60 = 12,192.50 : x
  2. Step 2: Convert to fraction form
    38,842.40/58,263.60 = 12,192.50/x
  3. Step 3: Cross multiply
    38,842.40x = 58,263.60 × 12,192.50
  4. Step 4: Simplify right side
    38,842.40x = 710,378,651.68
  5. Step 5: Solve for x
    x = 710,378,651.68/38,842.40
  6. Step 6: Final answer
    x = 18,288.74

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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.