Home / 31,275.05-43,162.65-17,848.33

Finding the Fourth Proportional to 31,275.05, 43,162.65 and 17,848.33

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Solution

The fourth proportional to 31,275.05, 43,162.65 and 17,848.33 is: 24,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,275.05 : 43,162.65 = 17,848.33 : x
  2. Step 2: Convert to fraction form
    31,275.05/43,162.65 = 17,848.33/x
  3. Step 3: Cross multiply
    31,275.05x = 43,162.65 × 17,848.33
  4. Step 4: Simplify right side
    31,275.05x = 770,381,094.37
  5. Step 5: Solve for x
    x = 770,381,094.37/31,275.05
  6. Step 6: Final answer
    x = 24,632.45

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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.