Home / 51,458.60-77,124.30-30,377.24

Finding the Fourth Proportional to 51,458.60, 77,124.30 and 30,377.24

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Solution

The fourth proportional to 51,458.60, 77,124.30 and 30,377.24 is: 45,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,458.60 : 77,124.30 = 30,377.24 : x
  2. Step 2: Convert to fraction form
    51,458.60/77,124.30 = 30,377.24/x
  3. Step 3: Cross multiply
    51,458.60x = 77,124.30 × 30,377.24
  4. Step 4: Simplify right side
    51,458.60x = 2,342,823,370.93
  5. Step 5: Solve for x
    x = 2,342,823,370.93/51,458.60
  6. Step 6: Final answer
    x = 45,528.32

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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.