Home / 46,743.60-70,115.40-28,081.20

Finding the Fourth Proportional to 46,743.60, 70,115.40 and 28,081.20

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Solution

The fourth proportional to 46,743.60, 70,115.40 and 28,081.20 is: 42,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,743.60 : 70,115.40 = 28,081.20 : x
  2. Step 2: Convert to fraction form
    46,743.60/70,115.40 = 28,081.20/x
  3. Step 3: Cross multiply
    46,743.60x = 70,115.40 × 28,081.20
  4. Step 4: Simplify right side
    46,743.60x = 1,968,924,570.48
  5. Step 5: Solve for x
    x = 1,968,924,570.48/46,743.60
  6. Step 6: Final answer
    x = 42,121.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.