Home / 40,158.69-55,417.44-23,163.63

Finding the Fourth Proportional to 40,158.69, 55,417.44 and 23,163.63

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Solution

The fourth proportional to 40,158.69, 55,417.44 and 23,163.63 is: 31,964.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.69 : 55,417.44 = 23,163.63 : x
  2. Step 2: Convert to fraction form
    40,158.69/55,417.44 = 23,163.63/x
  3. Step 3: Cross multiply
    40,158.69x = 55,417.44 × 23,163.63
  4. Step 4: Simplify right side
    40,158.69x = 1,283,669,075.71
  5. Step 5: Solve for x
    x = 1,283,669,075.71/40,158.69
  6. Step 6: Final answer
    x = 31,964.91

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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.