Home / 31,632.32-43,646.40-19,057.92

Finding the Fourth Proportional to 31,632.32, 43,646.40 and 19,057.92

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Solution

The fourth proportional to 31,632.32, 43,646.40 and 19,057.92 is: 26,296.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,632.32 : 43,646.40 = 19,057.92 : x
  2. Step 2: Convert to fraction form
    31,632.32/43,646.40 = 19,057.92/x
  3. Step 3: Cross multiply
    31,632.32x = 43,646.40 × 19,057.92
  4. Step 4: Simplify right side
    31,632.32x = 831,809,599.49
  5. Step 5: Solve for x
    x = 831,809,599.49/31,632.32
  6. Step 6: Final answer
    x = 26,296.19

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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.