Home / 54,152.68-81,235.50-19,085.08

Finding the Fourth Proportional to 54,152.68, 81,235.50 and 19,085.08

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Solution

The fourth proportional to 54,152.68, 81,235.50 and 19,085.08 is: 28,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,152.68 : 81,235.50 = 19,085.08 : x
  2. Step 2: Convert to fraction form
    54,152.68/81,235.50 = 19,085.08/x
  3. Step 3: Cross multiply
    54,152.68x = 81,235.50 × 19,085.08
  4. Step 4: Simplify right side
    54,152.68x = 1,550,386,016.34
  5. Step 5: Solve for x
    x = 1,550,386,016.34/54,152.68
  6. Step 6: Final answer
    x = 28,629.90

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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.