Home / 55,437.71-83,189.36-20,401.97

Finding the Fourth Proportional to 55,437.71, 83,189.36 and 20,401.97

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Solution

The fourth proportional to 55,437.71, 83,189.36 and 20,401.97 is: 30,615.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,437.71 : 83,189.36 = 20,401.97 : x
  2. Step 2: Convert to fraction form
    55,437.71/83,189.36 = 20,401.97/x
  3. Step 3: Cross multiply
    55,437.71x = 83,189.36 × 20,401.97
  4. Step 4: Simplify right side
    55,437.71x = 1,697,226,462.10
  5. Step 5: Solve for x
    x = 1,697,226,462.10/55,437.71
  6. Step 6: Final answer
    x = 30,615.02

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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.