Home / 45,490.60-62,815.80-28,523.35

Finding the Fourth Proportional to 45,490.60, 62,815.80 and 28,523.35

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Solution

The fourth proportional to 45,490.60, 62,815.80 and 28,523.35 is: 39,386.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,490.60 : 62,815.80 = 28,523.35 : x
  2. Step 2: Convert to fraction form
    45,490.60/62,815.80 = 28,523.35/x
  3. Step 3: Cross multiply
    45,490.60x = 62,815.80 × 28,523.35
  4. Step 4: Simplify right side
    45,490.60x = 1,791,717,048.93
  5. Step 5: Solve for x
    x = 1,791,717,048.93/45,490.60
  6. Step 6: Final answer
    x = 39,386.53

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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.