Home / 31,379.15-43,303.51-17,232.10

Finding the Fourth Proportional to 31,379.15, 43,303.51 and 17,232.10

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Solution

The fourth proportional to 31,379.15, 43,303.51 and 17,232.10 is: 23,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,379.15 : 43,303.51 = 17,232.10 : x
  2. Step 2: Convert to fraction form
    31,379.15/43,303.51 = 17,232.10/x
  3. Step 3: Cross multiply
    31,379.15x = 43,303.51 × 17,232.10
  4. Step 4: Simplify right side
    31,379.15x = 746,210,327.95
  5. Step 5: Solve for x
    x = 746,210,327.95/31,379.15
  6. Step 6: Final answer
    x = 23,780.45

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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.