Home / 79,529.45-119,291.40-20,365.61

Finding the Fourth Proportional to 79,529.45, 119,291.40 and 20,365.61

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Solution

The fourth proportional to 79,529.45, 119,291.40 and 20,365.61 is: 30,547.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,529.45 : 119,291.40 = 20,365.61 : x
  2. Step 2: Convert to fraction form
    79,529.45/119,291.40 = 20,365.61/x
  3. Step 3: Cross multiply
    79,529.45x = 119,291.40 × 20,365.61
  4. Step 4: Simplify right side
    79,529.45x = 2,429,441,532.30
  5. Step 5: Solve for x
    x = 2,429,441,532.30/79,529.45
  6. Step 6: Final answer
    x = 30,547.70

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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.