Home / 40,478.68-55,841.52-26,326.36

Finding the Fourth Proportional to 40,478.68, 55,841.52 and 26,326.36

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Solution

The fourth proportional to 40,478.68, 55,841.52 and 26,326.36 is: 36,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478.68 : 55,841.52 = 26,326.36 : x
  2. Step 2: Convert to fraction form
    40,478.68/55,841.52 = 26,326.36/x
  3. Step 3: Cross multiply
    40,478.68x = 55,841.52 × 26,326.36
  4. Step 4: Simplify right side
    40,478.68x = 1,470,103,818.86
  5. Step 5: Solve for x
    x = 1,470,103,818.86/40,478.68
  6. Step 6: Final answer
    x = 36,317.98

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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.