Home / 40,860.50-56,305.64-29,509.96

Finding the Fourth Proportional to 40,860.50, 56,305.64 and 29,509.96

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Solution

The fourth proportional to 40,860.50, 56,305.64 and 29,509.96 is: 40,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,860.50 : 56,305.64 = 29,509.96 : x
  2. Step 2: Convert to fraction form
    40,860.50/56,305.64 = 29,509.96/x
  3. Step 3: Cross multiply
    40,860.50x = 56,305.64 × 29,509.96
  4. Step 4: Simplify right side
    40,860.50x = 1,661,577,184.17
  5. Step 5: Solve for x
    x = 1,661,577,184.17/40,860.50
  6. Step 6: Final answer
    x = 40,664.63

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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.