Home / 45,685.04-63,064.79-27,785.80

Finding the Fourth Proportional to 45,685.04, 63,064.79 and 27,785.80

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Solution

The fourth proportional to 45,685.04, 63,064.79 and 27,785.80 is: 38,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,685.04 : 63,064.79 = 27,785.80 : x
  2. Step 2: Convert to fraction form
    45,685.04/63,064.79 = 27,785.80/x
  3. Step 3: Cross multiply
    45,685.04x = 63,064.79 × 27,785.80
  4. Step 4: Simplify right side
    45,685.04x = 1,752,305,187.73
  5. Step 5: Solve for x
    x = 1,752,305,187.73/45,685.04
  6. Step 6: Final answer
    x = 38,356.21

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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.