Home / 40,909.08-56,453.70-22,759.40

Finding the Fourth Proportional to 40,909.08, 56,453.70 and 22,759.40

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Solution

The fourth proportional to 40,909.08, 56,453.70 and 22,759.40 is: 31,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,909.08 : 56,453.70 = 22,759.40 : x
  2. Step 2: Convert to fraction form
    40,909.08/56,453.70 = 22,759.40/x
  3. Step 3: Cross multiply
    40,909.08x = 56,453.70 × 22,759.40
  4. Step 4: Simplify right side
    40,909.08x = 1,284,852,339.78
  5. Step 5: Solve for x
    x = 1,284,852,339.78/40,909.08
  6. Step 6: Final answer
    x = 31,407.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.