Home / 55,431.47-83,094.61-17,965.22

Finding the Fourth Proportional to 55,431.47, 83,094.61 and 17,965.22

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Solution

The fourth proportional to 55,431.47, 83,094.61 and 17,965.22 is: 26,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,431.47 : 83,094.61 = 17,965.22 : x
  2. Step 2: Convert to fraction form
    55,431.47/83,094.61 = 17,965.22/x
  3. Step 3: Cross multiply
    55,431.47x = 83,094.61 × 17,965.22
  4. Step 4: Simplify right side
    55,431.47x = 1,492,812,922.80
  5. Step 5: Solve for x
    x = 1,492,812,922.80/55,431.47
  6. Step 6: Final answer
    x = 26,930.78

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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.