Home / 60,022.72-90,034.08-20,580.18

Finding the Fourth Proportional to 60,022.72, 90,034.08 and 20,580.18

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Solution

The fourth proportional to 60,022.72, 90,034.08 and 20,580.18 is: 30,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,022.72 : 90,034.08 = 20,580.18 : x
  2. Step 2: Convert to fraction form
    60,022.72/90,034.08 = 20,580.18/x
  3. Step 3: Cross multiply
    60,022.72x = 90,034.08 × 20,580.18
  4. Step 4: Simplify right side
    60,022.72x = 1,852,917,273.49
  5. Step 5: Solve for x
    x = 1,852,917,273.49/60,022.72
  6. Step 6: Final answer
    x = 30,870.26

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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.