Home / 40,855.35-61,275.73-10,869.76

Finding the Fourth Proportional to 40,855.35, 61,275.73 and 10,869.76

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Solution

The fourth proportional to 40,855.35, 61,275.73 and 10,869.76 is: 16,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,855.35 : 61,275.73 = 10,869.76 : x
  2. Step 2: Convert to fraction form
    40,855.35/61,275.73 = 10,869.76/x
  3. Step 3: Cross multiply
    40,855.35x = 61,275.73 × 10,869.76
  4. Step 4: Simplify right side
    40,855.35x = 666,052,478.92
  5. Step 5: Solve for x
    x = 666,052,478.92/40,855.35
  6. Step 6: Final answer
    x = 16,302.70

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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.