Home / 31,355.66-43,263.14-17,743.92

Finding the Fourth Proportional to 31,355.66, 43,263.14 and 17,743.92

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Solution

The fourth proportional to 31,355.66, 43,263.14 and 17,743.92 is: 24,482.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,355.66 : 43,263.14 = 17,743.92 : x
  2. Step 2: Convert to fraction form
    31,355.66/43,263.14 = 17,743.92/x
  3. Step 3: Cross multiply
    31,355.66x = 43,263.14 × 17,743.92
  4. Step 4: Simplify right side
    31,355.66x = 767,657,606.39
  5. Step 5: Solve for x
    x = 767,657,606.39/31,355.66
  6. Step 6: Final answer
    x = 24,482.27

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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.