Home / 51,495.48-77,257.80-30,454.20

Finding the Fourth Proportional to 51,495.48, 77,257.80 and 30,454.20

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Solution

The fourth proportional to 51,495.48, 77,257.80 and 30,454.20 is: 45,689.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,495.48 : 77,257.80 = 30,454.20 : x
  2. Step 2: Convert to fraction form
    51,495.48/77,257.80 = 30,454.20/x
  3. Step 3: Cross multiply
    51,495.48x = 77,257.80 × 30,454.20
  4. Step 4: Simplify right side
    51,495.48x = 2,352,824,492.76
  5. Step 5: Solve for x
    x = 2,352,824,492.76/51,495.48
  6. Step 6: Final answer
    x = 45,689.92

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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.