Home / 31,058.76-42,860.66-16,911.62

Finding the Fourth Proportional to 31,058.76, 42,860.66 and 16,911.62

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Solution

The fourth proportional to 31,058.76, 42,860.66 and 16,911.62 is: 23,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,058.76 : 42,860.66 = 16,911.62 : x
  2. Step 2: Convert to fraction form
    31,058.76/42,860.66 = 16,911.62/x
  3. Step 3: Cross multiply
    31,058.76x = 42,860.66 × 16,911.62
  4. Step 4: Simplify right side
    31,058.76x = 724,843,194.87
  5. Step 5: Solve for x
    x = 724,843,194.87/31,058.76
  6. Step 6: Final answer
    x = 23,337.80

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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.