Home / 55,671.13-83,515.34-18,732.25

Finding the Fourth Proportional to 55,671.13, 83,515.34 and 18,732.25

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Solution

The fourth proportional to 55,671.13, 83,515.34 and 18,732.25 is: 28,101.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,671.13 : 83,515.34 = 18,732.25 : x
  2. Step 2: Convert to fraction form
    55,671.13/83,515.34 = 18,732.25/x
  3. Step 3: Cross multiply
    55,671.13x = 83,515.34 × 18,732.25
  4. Step 4: Simplify right side
    55,671.13x = 1,564,430,227.72
  5. Step 5: Solve for x
    x = 1,564,430,227.72/55,671.13
  6. Step 6: Final answer
    x = 28,101.28

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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.