Home / 86,689.39-130,022.33-23,513.58

Finding the Fourth Proportional to 86,689.39, 130,022.33 and 23,513.58

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Solution

The fourth proportional to 86,689.39, 130,022.33 and 23,513.58 is: 35,267.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,689.39 : 130,022.33 = 23,513.58 : x
  2. Step 2: Convert to fraction form
    86,689.39/130,022.33 = 23,513.58/x
  3. Step 3: Cross multiply
    86,689.39x = 130,022.33 × 23,513.58
  4. Step 4: Simplify right side
    86,689.39x = 3,057,290,458.24
  5. Step 5: Solve for x
    x = 3,057,290,458.24/86,689.39
  6. Step 6: Final answer
    x = 35,267.18

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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.