Home / 31,916.16-44,038.22-20,583.45

Finding the Fourth Proportional to 31,916.16, 44,038.22 and 20,583.45

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Solution

The fourth proportional to 31,916.16, 44,038.22 and 20,583.45 is: 28,401.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,916.16 : 44,038.22 = 20,583.45 : x
  2. Step 2: Convert to fraction form
    31,916.16/44,038.22 = 20,583.45/x
  3. Step 3: Cross multiply
    31,916.16x = 44,038.22 × 20,583.45
  4. Step 4: Simplify right side
    31,916.16x = 906,458,396.54
  5. Step 5: Solve for x
    x = 906,458,396.54/31,916.16
  6. Step 6: Final answer
    x = 28,401.24

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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.