Home / 35,514.74-49,011.84-20,407.16

Finding the Fourth Proportional to 35,514.74, 49,011.84 and 20,407.16

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Solution

The fourth proportional to 35,514.74, 49,011.84 and 20,407.16 is: 28,162.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,514.74 : 49,011.84 = 20,407.16 : x
  2. Step 2: Convert to fraction form
    35,514.74/49,011.84 = 20,407.16/x
  3. Step 3: Cross multiply
    35,514.74x = 49,011.84 × 20,407.16
  4. Step 4: Simplify right side
    35,514.74x = 1,000,192,460.77
  5. Step 5: Solve for x
    x = 1,000,192,460.77/35,514.74
  6. Step 6: Final answer
    x = 28,162.74

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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.