Home / 40,077.72-55,307.77-23,084.94

Finding the Fourth Proportional to 40,077.72, 55,307.77 and 23,084.94

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Solution

The fourth proportional to 40,077.72, 55,307.77 and 23,084.94 is: 31,857.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,077.72 : 55,307.77 = 23,084.94 : x
  2. Step 2: Convert to fraction form
    40,077.72/55,307.77 = 23,084.94/x
  3. Step 3: Cross multiply
    40,077.72x = 55,307.77 × 23,084.94
  4. Step 4: Simplify right side
    40,077.72x = 1,276,776,551.98
  5. Step 5: Solve for x
    x = 1,276,776,551.98/40,077.72
  6. Step 6: Final answer
    x = 31,857.51

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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.