Home / 42,473.20-58,621.14-28,133.20

Finding the Fourth Proportional to 42,473.20, 58,621.14 and 28,133.20

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Solution

The fourth proportional to 42,473.20, 58,621.14 and 28,133.20 is: 38,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,473.20 : 58,621.14 = 28,133.20 : x
  2. Step 2: Convert to fraction form
    42,473.20/58,621.14 = 28,133.20/x
  3. Step 3: Cross multiply
    42,473.20x = 58,621.14 × 28,133.20
  4. Step 4: Simplify right side
    42,473.20x = 1,649,200,255.85
  5. Step 5: Solve for x
    x = 1,649,200,255.85/42,473.20
  6. Step 6: Final answer
    x = 38,829.20

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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.