Home / 38,955.96-58,220.46-28,448.10

Finding the Fourth Proportional to 38,955.96, 58,220.46 and 28,448.10

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Solution

The fourth proportional to 38,955.96, 58,220.46 and 28,448.10 is: 42,516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,955.96 : 58,220.46 = 28,448.10 : x
  2. Step 2: Convert to fraction form
    38,955.96/58,220.46 = 28,448.10/x
  3. Step 3: Cross multiply
    38,955.96x = 58,220.46 × 28,448.10
  4. Step 4: Simplify right side
    38,955.96x = 1,656,261,468.13
  5. Step 5: Solve for x
    x = 1,656,261,468.13/38,955.96
  6. Step 6: Final answer
    x = 42,516.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.