Home / 45,943.60-63,400.80-28,032.16

Finding the Fourth Proportional to 45,943.60, 63,400.80 and 28,032.16

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Solution

The fourth proportional to 45,943.60, 63,400.80 and 28,032.16 is: 38,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,943.60 : 63,400.80 = 28,032.16 : x
  2. Step 2: Convert to fraction form
    45,943.60/63,400.80 = 28,032.16/x
  3. Step 3: Cross multiply
    45,943.60x = 63,400.80 × 28,032.16
  4. Step 4: Simplify right side
    45,943.60x = 1,777,261,369.73
  5. Step 5: Solve for x
    x = 1,777,261,369.73/45,943.60
  6. Step 6: Final answer
    x = 38,683.55

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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.