Home / 40,133.73-55,378.64-23,136.63

Finding the Fourth Proportional to 40,133.73, 55,378.64 and 23,136.63

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Solution

The fourth proportional to 40,133.73, 55,378.64 and 23,136.63 is: 31,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,133.73 : 55,378.64 = 23,136.63 : x
  2. Step 2: Convert to fraction form
    40,133.73/55,378.64 = 23,136.63/x
  3. Step 3: Cross multiply
    40,133.73x = 55,378.64 × 23,136.63
  4. Step 4: Simplify right side
    40,133.73x = 1,281,274,987.90
  5. Step 5: Solve for x
    x = 1,281,274,987.90/40,133.73
  6. Step 6: Final answer
    x = 31,925.14

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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.