Home / 40,547.54-55,469.33-40,376.77

Finding the Fourth Proportional to 40,547.54, 55,469.33 and 40,376.77

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Solution

The fourth proportional to 40,547.54, 55,469.33 and 40,376.77 is: 55,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,547.54 : 55,469.33 = 40,376.77 : x
  2. Step 2: Convert to fraction form
    40,547.54/55,469.33 = 40,376.77/x
  3. Step 3: Cross multiply
    40,547.54x = 55,469.33 × 40,376.77
  4. Step 4: Simplify right side
    40,547.54x = 2,239,671,900.23
  5. Step 5: Solve for x
    x = 2,239,671,900.23/40,547.54
  6. Step 6: Final answer
    x = 55,235.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.