Home / 66,263.30-99,370.55-21,876.92

Finding the Fourth Proportional to 66,263.30, 99,370.55 and 21,876.92

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Solution

The fourth proportional to 66,263.30, 99,370.55 and 21,876.92 is: 32,807.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,263.30 : 99,370.55 = 21,876.92 : x
  2. Step 2: Convert to fraction form
    66,263.30/99,370.55 = 21,876.92/x
  3. Step 3: Cross multiply
    66,263.30x = 99,370.55 × 21,876.92
  4. Step 4: Simplify right side
    66,263.30x = 2,173,921,130.55
  5. Step 5: Solve for x
    x = 2,173,921,130.55/66,263.30
  6. Step 6: Final answer
    x = 32,807.32

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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.