Home / 51,050.32-76,569.40-13,613.20

Finding the Fourth Proportional to 51,050.32, 76,569.40 and 13,613.20

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Solution

The fourth proportional to 51,050.32, 76,569.40 and 13,613.20 is: 20,418.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,050.32 : 76,569.40 = 13,613.20 : x
  2. Step 2: Convert to fraction form
    51,050.32/76,569.40 = 13,613.20/x
  3. Step 3: Cross multiply
    51,050.32x = 76,569.40 × 13,613.20
  4. Step 4: Simplify right side
    51,050.32x = 1,042,354,556.08
  5. Step 5: Solve for x
    x = 1,042,354,556.08/51,050.32
  6. Step 6: Final answer
    x = 20,418.18

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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.