Home / 30,036.64-45,043.44-10,311.52

Finding the Fourth Proportional to 30,036.64, 45,043.44 and 10,311.52

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Solution

The fourth proportional to 30,036.64, 45,043.44 and 10,311.52 is: 15,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036.64 : 45,043.44 = 10,311.52 : x
  2. Step 2: Convert to fraction form
    30,036.64/45,043.44 = 10,311.52/x
  3. Step 3: Cross multiply
    30,036.64x = 45,043.44 × 10,311.52
  4. Step 4: Simplify right side
    30,036.64x = 464,466,332.43
  5. Step 5: Solve for x
    x = 464,466,332.43/30,036.64
  6. Step 6: Final answer
    x = 15,463.33

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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.