Home / 40,355.47-55,669.80-23,578.75

Finding the Fourth Proportional to 40,355.47, 55,669.80 and 23,578.75

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Solution

The fourth proportional to 40,355.47, 55,669.80 and 23,578.75 is: 32,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,355.47 : 55,669.80 = 23,578.75 : x
  2. Step 2: Convert to fraction form
    40,355.47/55,669.80 = 23,578.75/x
  3. Step 3: Cross multiply
    40,355.47x = 55,669.80 × 23,578.75
  4. Step 4: Simplify right side
    40,355.47x = 1,312,624,296.75
  5. Step 5: Solve for x
    x = 1,312,624,296.75/40,355.47
  6. Step 6: Final answer
    x = 32,526.55

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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.