Home / 51,454.16-70,977-30,229.04

Finding the Fourth Proportional to 51,454.16, 70,977 and 30,229.04

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Solution

The fourth proportional to 51,454.16, 70,977 and 30,229.04 is: 41,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,454.16 : 70,977 = 30,229.04 : x
  2. Step 2: Convert to fraction form
    51,454.16/70,977 = 30,229.04/x
  3. Step 3: Cross multiply
    51,454.16x = 70,977 × 30,229.04
  4. Step 4: Simplify right side
    51,454.16x = 2,145,566,572.08
  5. Step 5: Solve for x
    x = 2,145,566,572.08/51,454.16
  6. Step 6: Final answer
    x = 41,698.60

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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.