Home / 31,526.56-47,274.16-18,382.24

Finding the Fourth Proportional to 31,526.56, 47,274.16 and 18,382.24

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Solution

The fourth proportional to 31,526.56, 47,274.16 and 18,382.24 is: 27,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,526.56 : 47,274.16 = 18,382.24 : x
  2. Step 2: Convert to fraction form
    31,526.56/47,274.16 = 18,382.24/x
  3. Step 3: Cross multiply
    31,526.56x = 47,274.16 × 18,382.24
  4. Step 4: Simplify right side
    31,526.56x = 869,004,954.92
  5. Step 5: Solve for x
    x = 869,004,954.92/31,526.56
  6. Step 6: Final answer
    x = 27,564.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.