Home / 51,355.23-70,866.20-28,693.05

Finding the Fourth Proportional to 51,355.23, 70,866.20 and 28,693.05

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Solution

The fourth proportional to 51,355.23, 70,866.20 and 28,693.05 is: 39,594.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,355.23 : 70,866.20 = 28,693.05 : x
  2. Step 2: Convert to fraction form
    51,355.23/70,866.20 = 28,693.05/x
  3. Step 3: Cross multiply
    51,355.23x = 70,866.20 × 28,693.05
  4. Step 4: Simplify right side
    51,355.23x = 2,033,367,276.44
  5. Step 5: Solve for x
    x = 2,033,367,276.44/51,355.23
  6. Step 6: Final answer
    x = 39,594.16

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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.