Home / 40,447.71-55,814.13-26,128.32

Finding the Fourth Proportional to 40,447.71, 55,814.13 and 26,128.32

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Solution

The fourth proportional to 40,447.71, 55,814.13 and 26,128.32 is: 36,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,447.71 : 55,814.13 = 26,128.32 : x
  2. Step 2: Convert to fraction form
    40,447.71/55,814.13 = 26,128.32/x
  3. Step 3: Cross multiply
    40,447.71x = 55,814.13 × 26,128.32
  4. Step 4: Simplify right side
    40,447.71x = 1,458,329,449.16
  5. Step 5: Solve for x
    x = 1,458,329,449.16/40,447.71
  6. Step 6: Final answer
    x = 36,054.69

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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.