Home / 40,578.72-55,988.40-23,808.48

Finding the Fourth Proportional to 40,578.72, 55,988.40 and 23,808.48

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Solution

The fourth proportional to 40,578.72, 55,988.40 and 23,808.48 is: 32,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,578.72 : 55,988.40 = 23,808.48 : x
  2. Step 2: Convert to fraction form
    40,578.72/55,988.40 = 23,808.48/x
  3. Step 3: Cross multiply
    40,578.72x = 55,988.40 × 23,808.48
  4. Step 4: Simplify right side
    40,578.72x = 1,332,998,701.63
  5. Step 5: Solve for x
    x = 1,332,998,701.63/40,578.72
  6. Step 6: Final answer
    x = 32,849.70

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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.