Home / 66,336.12-99,483.75-21,953.70

Finding the Fourth Proportional to 66,336.12, 99,483.75 and 21,953.70

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Solution

The fourth proportional to 66,336.12, 99,483.75 and 21,953.70 is: 32,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,336.12 : 99,483.75 = 21,953.70 : x
  2. Step 2: Convert to fraction form
    66,336.12/99,483.75 = 21,953.70/x
  3. Step 3: Cross multiply
    66,336.12x = 99,483.75 × 21,953.70
  4. Step 4: Simplify right side
    66,336.12x = 2,184,036,402.38
  5. Step 5: Solve for x
    x = 2,184,036,402.38/66,336.12
  6. Step 6: Final answer
    x = 32,923.79

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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.