Home / 31,897.77-44,055.81-21,268.95

Finding the Fourth Proportional to 31,897.77, 44,055.81 and 21,268.95

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Solution

The fourth proportional to 31,897.77, 44,055.81 and 21,268.95 is: 29,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897.77 : 44,055.81 = 21,268.95 : x
  2. Step 2: Convert to fraction form
    31,897.77/44,055.81 = 21,268.95/x
  3. Step 3: Cross multiply
    31,897.77x = 44,055.81 × 21,268.95
  4. Step 4: Simplify right side
    31,897.77x = 937,020,820.10
  5. Step 5: Solve for x
    x = 937,020,820.10/31,897.77
  6. Step 6: Final answer
    x = 29,375.75

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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.