Home / 31,394.86-43,327.34-17,970.33

Finding the Fourth Proportional to 31,394.86, 43,327.34 and 17,970.33

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Solution

The fourth proportional to 31,394.86, 43,327.34 and 17,970.33 is: 24,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,394.86 : 43,327.34 = 17,970.33 : x
  2. Step 2: Convert to fraction form
    31,394.86/43,327.34 = 17,970.33/x
  3. Step 3: Cross multiply
    31,394.86x = 43,327.34 × 17,970.33
  4. Step 4: Simplify right side
    31,394.86x = 778,606,597.82
  5. Step 5: Solve for x
    x = 778,606,597.82/31,394.86
  6. Step 6: Final answer
    x = 24,800.45

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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.