Home / 56,017.58-84,034.56-20,480.63

Finding the Fourth Proportional to 56,017.58, 84,034.56 and 20,480.63

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Solution

The fourth proportional to 56,017.58, 84,034.56 and 20,480.63 is: 30,723.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,017.58 : 84,034.56 = 20,480.63 : x
  2. Step 2: Convert to fraction form
    56,017.58/84,034.56 = 20,480.63/x
  3. Step 3: Cross multiply
    56,017.58x = 84,034.56 × 20,480.63
  4. Step 4: Simplify right side
    56,017.58x = 1,721,080,730.57
  5. Step 5: Solve for x
    x = 1,721,080,730.57/56,017.58
  6. Step 6: Final answer
    x = 30,723.94

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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.