Home / 31,820.15-43,916.60-22,897.19

Finding the Fourth Proportional to 31,820.15, 43,916.60 and 22,897.19

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Solution

The fourth proportional to 31,820.15, 43,916.60 and 22,897.19 is: 31,601.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,820.15 : 43,916.60 = 22,897.19 : x
  2. Step 2: Convert to fraction form
    31,820.15/43,916.60 = 22,897.19/x
  3. Step 3: Cross multiply
    31,820.15x = 43,916.60 × 22,897.19
  4. Step 4: Simplify right side
    31,820.15x = 1,005,566,619.87
  5. Step 5: Solve for x
    x = 1,005,566,619.87/31,820.15
  6. Step 6: Final answer
    x = 31,601.57

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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.