Home / 55,088.15-82,630.31-15,645.15

Finding the Fourth Proportional to 55,088.15, 82,630.31 and 15,645.15

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Solution

The fourth proportional to 55,088.15, 82,630.31 and 15,645.15 is: 23,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,088.15 : 82,630.31 = 15,645.15 : x
  2. Step 2: Convert to fraction form
    55,088.15/82,630.31 = 15,645.15/x
  3. Step 3: Cross multiply
    55,088.15x = 82,630.31 × 15,645.15
  4. Step 4: Simplify right side
    55,088.15x = 1,292,763,516.27
  5. Step 5: Solve for x
    x = 1,292,763,516.27/55,088.15
  6. Step 6: Final answer
    x = 23,467.18

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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.