Home / 45,205.06-67,762.40-21,470.84

Finding the Fourth Proportional to 45,205.06, 67,762.40 and 21,470.84

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Solution

The fourth proportional to 45,205.06, 67,762.40 and 21,470.84 is: 32,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,205.06 : 67,762.40 = 21,470.84 : x
  2. Step 2: Convert to fraction form
    45,205.06/67,762.40 = 21,470.84/x
  3. Step 3: Cross multiply
    45,205.06x = 67,762.40 × 21,470.84
  4. Step 4: Simplify right side
    45,205.06x = 1,454,915,648.42
  5. Step 5: Solve for x
    x = 1,454,915,648.42/45,205.06
  6. Step 6: Final answer
    x = 32,184.80

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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.