Home / 55,378.17-83,015.42-30,702.33

Finding the Fourth Proportional to 55,378.17, 83,015.42 and 30,702.33

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Solution

The fourth proportional to 55,378.17, 83,015.42 and 30,702.33 is: 46,024.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,378.17 : 83,015.42 = 30,702.33 : x
  2. Step 2: Convert to fraction form
    55,378.17/83,015.42 = 30,702.33/x
  3. Step 3: Cross multiply
    55,378.17x = 83,015.42 × 30,702.33
  4. Step 4: Simplify right side
    55,378.17x = 2,548,766,666.42
  5. Step 5: Solve for x
    x = 2,548,766,666.42/55,378.17
  6. Step 6: Final answer
    x = 46,024.75

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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.