Home / 35,754.16-49,340.58-20,645.65

Finding the Fourth Proportional to 35,754.16, 49,340.58 and 20,645.65

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Solution

The fourth proportional to 35,754.16, 49,340.58 and 20,645.65 is: 28,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,754.16 : 49,340.58 = 20,645.65 : x
  2. Step 2: Convert to fraction form
    35,754.16/49,340.58 = 20,645.65/x
  3. Step 3: Cross multiply
    35,754.16x = 49,340.58 × 20,645.65
  4. Step 4: Simplify right side
    35,754.16x = 1,018,668,345.48
  5. Step 5: Solve for x
    x = 1,018,668,345.48/35,754.16
  6. Step 6: Final answer
    x = 28,490.90

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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.