Home / 31,765.51-43,841.65-17,622.91

Finding the Fourth Proportional to 31,765.51, 43,841.65 and 17,622.91

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Solution

The fourth proportional to 31,765.51, 43,841.65 and 17,622.91 is: 24,322.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,765.51 : 43,841.65 = 17,622.91 : x
  2. Step 2: Convert to fraction form
    31,765.51/43,841.65 = 17,622.91/x
  3. Step 3: Cross multiply
    31,765.51x = 43,841.65 × 17,622.91
  4. Step 4: Simplify right side
    31,765.51x = 772,617,199.82
  5. Step 5: Solve for x
    x = 772,617,199.82/31,765.51
  6. Step 6: Final answer
    x = 24,322.52

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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.