Home / 55,944.85-83,918.40-20,877.51

Finding the Fourth Proportional to 55,944.85, 83,918.40 and 20,877.51

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Solution

The fourth proportional to 55,944.85, 83,918.40 and 20,877.51 is: 31,316.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,944.85 : 83,918.40 = 20,877.51 : x
  2. Step 2: Convert to fraction form
    55,944.85/83,918.40 = 20,877.51/x
  3. Step 3: Cross multiply
    55,944.85x = 83,918.40 × 20,877.51
  4. Step 4: Simplify right side
    55,944.85x = 1,752,007,130.80
  5. Step 5: Solve for x
    x = 1,752,007,130.80/55,944.85
  6. Step 6: Final answer
    x = 31,316.68

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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.