Home / 31,325.36-43,237.33-19,381.95

Finding the Fourth Proportional to 31,325.36, 43,237.33 and 19,381.95

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Solution

The fourth proportional to 31,325.36, 43,237.33 and 19,381.95 is: 26,752.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,325.36 : 43,237.33 = 19,381.95 : x
  2. Step 2: Convert to fraction form
    31,325.36/43,237.33 = 19,381.95/x
  3. Step 3: Cross multiply
    31,325.36x = 43,237.33 × 19,381.95
  4. Step 4: Simplify right side
    31,325.36x = 838,023,619.10
  5. Step 5: Solve for x
    x = 838,023,619.10/31,325.36
  6. Step 6: Final answer
    x = 26,752.24

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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.