Home / 60,022.86-90,034.30-20,580.32

Finding the Fourth Proportional to 60,022.86, 90,034.30 and 20,580.32

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Solution

The fourth proportional to 60,022.86, 90,034.30 and 20,580.32 is: 30,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,022.86 : 90,034.30 = 20,580.32 : x
  2. Step 2: Convert to fraction form
    60,022.86/90,034.30 = 20,580.32/x
  3. Step 3: Cross multiply
    60,022.86x = 90,034.30 × 20,580.32
  4. Step 4: Simplify right side
    60,022.86x = 1,852,934,333.58
  5. Step 5: Solve for x
    x = 1,852,934,333.58/60,022.86
  6. Step 6: Final answer
    x = 30,870.48

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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.