Home / 35,752.80-49,346.06-20,647.92

Finding the Fourth Proportional to 35,752.80, 49,346.06 and 20,647.92

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Solution

The fourth proportional to 35,752.80, 49,346.06 and 20,647.92 is: 28,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,752.80 : 49,346.06 = 20,647.92 : x
  2. Step 2: Convert to fraction form
    35,752.80/49,346.06 = 20,647.92/x
  3. Step 3: Cross multiply
    35,752.80x = 49,346.06 × 20,647.92
  4. Step 4: Simplify right side
    35,752.80x = 1,018,893,499.20
  5. Step 5: Solve for x
    x = 1,018,893,499.20/35,752.80
  6. Step 6: Final answer
    x = 28,498.29

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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.