Home / 30,162.20-45,210.42-25,766.36

Finding the Fourth Proportional to 30,162.20, 45,210.42 and 25,766.36

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Solution

The fourth proportional to 30,162.20, 45,210.42 and 25,766.36 is: 38,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,162.20 : 45,210.42 = 25,766.36 : x
  2. Step 2: Convert to fraction form
    30,162.20/45,210.42 = 25,766.36/x
  3. Step 3: Cross multiply
    30,162.20x = 45,210.42 × 25,766.36
  4. Step 4: Simplify right side
    30,162.20x = 1,164,907,957.47
  5. Step 5: Solve for x
    x = 1,164,907,957.47/30,162.20
  6. Step 6: Final answer
    x = 38,621.45

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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.