Home / 40,858.10-56,335.11-29,509.46

Finding the Fourth Proportional to 40,858.10, 56,335.11 and 29,509.46

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Solution

The fourth proportional to 40,858.10, 56,335.11 and 29,509.46 is: 40,687.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,858.10 : 56,335.11 = 29,509.46 : x
  2. Step 2: Convert to fraction form
    40,858.10/56,335.11 = 29,509.46/x
  3. Step 3: Cross multiply
    40,858.10x = 56,335.11 × 29,509.46
  4. Step 4: Simplify right side
    40,858.10x = 1,662,418,393.47
  5. Step 5: Solve for x
    x = 1,662,418,393.47/40,858.10
  6. Step 6: Final answer
    x = 40,687.61

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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.