Home / 31,700.21-43,746.29-17,553.06

Finding the Fourth Proportional to 31,700.21, 43,746.29 and 17,553.06

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Solution

The fourth proportional to 31,700.21, 43,746.29 and 17,553.06 is: 24,223.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,700.21 : 43,746.29 = 17,553.06 : x
  2. Step 2: Convert to fraction form
    31,700.21/43,746.29 = 17,553.06/x
  3. Step 3: Cross multiply
    31,700.21x = 43,746.29 × 17,553.06
  4. Step 4: Simplify right side
    31,700.21x = 767,881,253.15
  5. Step 5: Solve for x
    x = 767,881,253.15/31,700.21
  6. Step 6: Final answer
    x = 24,223.22

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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.