Home / 54,875.20-82,312.80-15,433.60

Finding the Fourth Proportional to 54,875.20, 82,312.80 and 15,433.60

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Solution

The fourth proportional to 54,875.20, 82,312.80 and 15,433.60 is: 23,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,875.20 : 82,312.80 = 15,433.60 : x
  2. Step 2: Convert to fraction form
    54,875.20/82,312.80 = 15,433.60/x
  3. Step 3: Cross multiply
    54,875.20x = 82,312.80 × 15,433.60
  4. Step 4: Simplify right side
    54,875.20x = 1,270,382,830.08
  5. Step 5: Solve for x
    x = 1,270,382,830.08/54,875.20
  6. Step 6: Final answer
    x = 23,150.40

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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.