Home / 31,398.03-43,331.69-17,973.50

Finding the Fourth Proportional to 31,398.03, 43,331.69 and 17,973.50

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Solution

The fourth proportional to 31,398.03, 43,331.69 and 17,973.50 is: 24,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,398.03 : 43,331.69 = 17,973.50 : x
  2. Step 2: Convert to fraction form
    31,398.03/43,331.69 = 17,973.50/x
  3. Step 3: Cross multiply
    31,398.03x = 43,331.69 × 17,973.50
  4. Step 4: Simplify right side
    31,398.03x = 778,821,958.49
  5. Step 5: Solve for x
    x = 778,821,958.49/31,398.03
  6. Step 6: Final answer
    x = 24,804.80

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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.