Home / 31,010.22-42,792.84-18,263.94

Finding the Fourth Proportional to 31,010.22, 42,792.84 and 18,263.94

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Solution

The fourth proportional to 31,010.22, 42,792.84 and 18,263.94 is: 25,203.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,010.22 : 42,792.84 = 18,263.94 : x
  2. Step 2: Convert to fraction form
    31,010.22/42,792.84 = 18,263.94/x
  3. Step 3: Cross multiply
    31,010.22x = 42,792.84 × 18,263.94
  4. Step 4: Simplify right side
    31,010.22x = 781,565,862.19
  5. Step 5: Solve for x
    x = 781,565,862.19/31,010.22
  6. Step 6: Final answer
    x = 25,203.49

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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.