Home / 55,998.24-83,948.80-20,938.24

Finding the Fourth Proportional to 55,998.24, 83,948.80 and 20,938.24

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Solution

The fourth proportional to 55,998.24, 83,948.80 and 20,938.24 is: 31,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,998.24 : 83,948.80 = 20,938.24 : x
  2. Step 2: Convert to fraction form
    55,998.24/83,948.80 = 20,938.24/x
  3. Step 3: Cross multiply
    55,998.24x = 83,948.80 × 20,938.24
  4. Step 4: Simplify right side
    55,998.24x = 1,757,740,122.11
  5. Step 5: Solve for x
    x = 1,757,740,122.11/55,998.24
  6. Step 6: Final answer
    x = 31,389.20

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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.