Home / 30,276.64-45,442.20-15,495.76

Finding the Fourth Proportional to 30,276.64, 45,442.20 and 15,495.76

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Solution

The fourth proportional to 30,276.64, 45,442.20 and 15,495.76 is: 23,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.64 : 45,442.20 = 15,495.76 : x
  2. Step 2: Convert to fraction form
    30,276.64/45,442.20 = 15,495.76/x
  3. Step 3: Cross multiply
    30,276.64x = 45,442.20 × 15,495.76
  4. Step 4: Simplify right side
    30,276.64x = 704,161,425.07
  5. Step 5: Solve for x
    x = 704,161,425.07/30,276.64
  6. Step 6: Final answer
    x = 23,257.58

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1.5x scale

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.