Home / 76,567.32-114,841.84-20,411.64

Finding the Fourth Proportional to 76,567.32, 114,841.84 and 20,411.64

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Solution

The fourth proportional to 76,567.32, 114,841.84 and 20,411.64 is: 30,615.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,567.32 : 114,841.84 = 20,411.64 : x
  2. Step 2: Convert to fraction form
    76,567.32/114,841.84 = 20,411.64/x
  3. Step 3: Cross multiply
    76,567.32x = 114,841.84 × 20,411.64
  4. Step 4: Simplify right side
    76,567.32x = 2,344,110,295.02
  5. Step 5: Solve for x
    x = 2,344,110,295.02/76,567.32
  6. Step 6: Final answer
    x = 30,615.02

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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.