Home / 45,679.04-63,005.28-29,772.80

Finding the Fourth Proportional to 45,679.04, 63,005.28 and 29,772.80

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Solution

The fourth proportional to 45,679.04, 63,005.28 and 29,772.80 is: 41,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,679.04 : 63,005.28 = 29,772.80 : x
  2. Step 2: Convert to fraction form
    45,679.04/63,005.28 = 29,772.80/x
  3. Step 3: Cross multiply
    45,679.04x = 63,005.28 × 29,772.80
  4. Step 4: Simplify right side
    45,679.04x = 1,875,843,600.38
  5. Step 5: Solve for x
    x = 1,875,843,600.38/45,679.04
  6. Step 6: Final answer
    x = 41,065.74

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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.