Home / 42,856.20-59,079.34-30,069.52

Finding the Fourth Proportional to 42,856.20, 59,079.34 and 30,069.52

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Solution

The fourth proportional to 42,856.20, 59,079.34 and 30,069.52 is: 41,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,856.20 : 59,079.34 = 30,069.52 : x
  2. Step 2: Convert to fraction form
    42,856.20/59,079.34 = 30,069.52/x
  3. Step 3: Cross multiply
    42,856.20x = 59,079.34 × 30,069.52
  4. Step 4: Simplify right side
    42,856.20x = 1,776,487,395.72
  5. Step 5: Solve for x
    x = 1,776,487,395.72/42,856.20
  6. Step 6: Final answer
    x = 41,452.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.