Home / 45,939.60-63,395.28-28,028.16

Finding the Fourth Proportional to 45,939.60, 63,395.28 and 28,028.16

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Solution

The fourth proportional to 45,939.60, 63,395.28 and 28,028.16 is: 38,678.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,939.60 : 63,395.28 = 28,028.16 : x
  2. Step 2: Convert to fraction form
    45,939.60/63,395.28 = 28,028.16/x
  3. Step 3: Cross multiply
    45,939.60x = 63,395.28 × 28,028.16
  4. Step 4: Simplify right side
    45,939.60x = 1,776,853,051.08
  5. Step 5: Solve for x
    x = 1,776,853,051.08/45,939.60
  6. Step 6: Final answer
    x = 38,678.03

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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.