Home / 42,271.20-63,383.06-28,959.23

Finding the Fourth Proportional to 42,271.20, 63,383.06 and 28,959.23

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Solution

The fourth proportional to 42,271.20, 63,383.06 and 28,959.23 is: 43,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,271.20 : 63,383.06 = 28,959.23 : x
  2. Step 2: Convert to fraction form
    42,271.20/63,383.06 = 28,959.23/x
  3. Step 3: Cross multiply
    42,271.20x = 63,383.06 × 28,959.23
  4. Step 4: Simplify right side
    42,271.20x = 1,835,524,150.93
  5. Step 5: Solve for x
    x = 1,835,524,150.93/42,271.20
  6. Step 6: Final answer
    x = 43,422.57

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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.