Home / 32,731.29-45,170.66-19,303.11

Finding the Fourth Proportional to 32,731.29, 45,170.66 and 19,303.11

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Solution

The fourth proportional to 32,731.29, 45,170.66 and 19,303.11 is: 26,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,731.29 : 45,170.66 = 19,303.11 : x
  2. Step 2: Convert to fraction form
    32,731.29/45,170.66 = 19,303.11/x
  3. Step 3: Cross multiply
    32,731.29x = 45,170.66 × 19,303.11
  4. Step 4: Simplify right side
    32,731.29x = 871,934,267.01
  5. Step 5: Solve for x
    x = 871,934,267.01/32,731.29
  6. Step 6: Final answer
    x = 26,639.17

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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.