Home / 60,280.14-90,391.05-20,823.42

Finding the Fourth Proportional to 60,280.14, 90,391.05 and 20,823.42

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Solution

The fourth proportional to 60,280.14, 90,391.05 and 20,823.42 is: 31,225.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,280.14 : 90,391.05 = 20,823.42 : x
  2. Step 2: Convert to fraction form
    60,280.14/90,391.05 = 20,823.42/x
  3. Step 3: Cross multiply
    60,280.14x = 90,391.05 × 20,823.42
  4. Step 4: Simplify right side
    60,280.14x = 1,882,250,798.39
  5. Step 5: Solve for x
    x = 1,882,250,798.39/60,280.14
  6. Step 6: Final answer
    x = 31,225.06

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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.