Home / 63,511.08-95,266.80-21,420.74

Finding the Fourth Proportional to 63,511.08, 95,266.80 and 21,420.74

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Solution

The fourth proportional to 63,511.08, 95,266.80 and 21,420.74 is: 32,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,511.08 : 95,266.80 = 21,420.74 : x
  2. Step 2: Convert to fraction form
    63,511.08/95,266.80 = 21,420.74/x
  3. Step 3: Cross multiply
    63,511.08x = 95,266.80 × 21,420.74
  4. Step 4: Simplify right side
    63,511.08x = 2,040,684,796.77
  5. Step 5: Solve for x
    x = 2,040,684,796.77/63,511.08
  6. Step 6: Final answer
    x = 32,131.16

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1.5x scale

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.