Home / 40,457.22-55,837.71-29,877.42

Finding the Fourth Proportional to 40,457.22, 55,837.71 and 29,877.42

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Solution

The fourth proportional to 40,457.22, 55,837.71 and 29,877.42 is: 41,235.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,457.22 : 55,837.71 = 29,877.42 : x
  2. Step 2: Convert to fraction form
    40,457.22/55,837.71 = 29,877.42/x
  3. Step 3: Cross multiply
    40,457.22x = 55,837.71 × 29,877.42
  4. Step 4: Simplify right side
    40,457.22x = 1,668,286,713.51
  5. Step 5: Solve for x
    x = 1,668,286,713.51/40,457.22
  6. Step 6: Final answer
    x = 41,235.82

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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.