Home / 29,087.77-40,140.05-17,776.20

Finding the Fourth Proportional to 29,087.77, 40,140.05 and 17,776.20

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Solution

The fourth proportional to 29,087.77, 40,140.05 and 17,776.20 is: 24,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,087.77 : 40,140.05 = 17,776.20 : x
  2. Step 2: Convert to fraction form
    29,087.77/40,140.05 = 17,776.20/x
  3. Step 3: Cross multiply
    29,087.77x = 40,140.05 × 17,776.20
  4. Step 4: Simplify right side
    29,087.77x = 713,537,556.81
  5. Step 5: Solve for x
    x = 713,537,556.81/29,087.77
  6. Step 6: Final answer
    x = 24,530.50

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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.