Home / 72,011.30-107,951.60-25,238.66

Finding the Fourth Proportional to 72,011.30, 107,951.60 and 25,238.66

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Solution

The fourth proportional to 72,011.30, 107,951.60 and 25,238.66 is: 37,835.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,011.30 : 107,951.60 = 25,238.66 : x
  2. Step 2: Convert to fraction form
    72,011.30/107,951.60 = 25,238.66/x
  3. Step 3: Cross multiply
    72,011.30x = 107,951.60 × 25,238.66
  4. Step 4: Simplify right side
    72,011.30x = 2,724,553,252.19
  5. Step 5: Solve for x
    x = 2,724,553,252.19/72,011.30
  6. Step 6: Final answer
    x = 37,835.08

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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.