Home / 40,242.15-55,554.15-25,143.20

Finding the Fourth Proportional to 40,242.15, 55,554.15 and 25,143.20

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Solution

The fourth proportional to 40,242.15, 55,554.15 and 25,143.20 is: 34,710.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,242.15 : 55,554.15 = 25,143.20 : x
  2. Step 2: Convert to fraction form
    40,242.15/55,554.15 = 25,143.20/x
  3. Step 3: Cross multiply
    40,242.15x = 55,554.15 × 25,143.20
  4. Step 4: Simplify right side
    40,242.15x = 1,396,808,826.51
  5. Step 5: Solve for x
    x = 1,396,808,826.51/40,242.15
  6. Step 6: Final answer
    x = 34,710.09

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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.