Home / 45,543.40-62,889.06-28,806.12

Finding the Fourth Proportional to 45,543.40, 62,889.06 and 28,806.12

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Solution

The fourth proportional to 45,543.40, 62,889.06 and 28,806.12 is: 39,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543.40 : 62,889.06 = 28,806.12 : x
  2. Step 2: Convert to fraction form
    45,543.40/62,889.06 = 28,806.12/x
  3. Step 3: Cross multiply
    45,543.40x = 62,889.06 × 28,806.12
  4. Step 4: Simplify right side
    45,543.40x = 1,811,589,809.05
  5. Step 5: Solve for x
    x = 1,811,589,809.05/45,543.40
  6. Step 6: Final answer
    x = 39,777.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.