Home / 66,266.64-99,421.56-31,209.84

Finding the Fourth Proportional to 66,266.64, 99,421.56 and 31,209.84

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Solution

The fourth proportional to 66,266.64, 99,421.56 and 31,209.84 is: 46,824.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,266.64 : 99,421.56 = 31,209.84 : x
  2. Step 2: Convert to fraction form
    66,266.64/99,421.56 = 31,209.84/x
  3. Step 3: Cross multiply
    66,266.64x = 99,421.56 × 31,209.84
  4. Step 4: Simplify right side
    66,266.64x = 3,102,930,980.15
  5. Step 5: Solve for x
    x = 3,102,930,980.15/66,266.64
  6. Step 6: Final answer
    x = 46,824.93

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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.