Home / 66,266.78-99,366.89-30,697.52

Finding the Fourth Proportional to 66,266.78, 99,366.89 and 30,697.52

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Solution

The fourth proportional to 66,266.78, 99,366.89 and 30,697.52 is: 46,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,266.78 : 99,366.89 = 30,697.52 : x
  2. Step 2: Convert to fraction form
    66,266.78/99,366.89 = 30,697.52/x
  3. Step 3: Cross multiply
    66,266.78x = 99,366.89 × 30,697.52
  4. Step 4: Simplify right side
    66,266.78x = 3,050,316,442.79
  5. Step 5: Solve for x
    x = 3,050,316,442.79/66,266.78
  6. Step 6: Final answer
    x = 46,030.86

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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.