Home / 31,911.66-44,038.04-18,483.57

Finding the Fourth Proportional to 31,911.66, 44,038.04 and 18,483.57

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Solution

The fourth proportional to 31,911.66, 44,038.04 and 18,483.57 is: 25,507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,911.66 : 44,038.04 = 18,483.57 : x
  2. Step 2: Convert to fraction form
    31,911.66/44,038.04 = 18,483.57/x
  3. Step 3: Cross multiply
    31,911.66x = 44,038.04 × 18,483.57
  4. Step 4: Simplify right side
    31,911.66x = 813,980,102.58
  5. Step 5: Solve for x
    x = 813,980,102.58/31,911.66
  6. Step 6: Final answer
    x = 25,507.29

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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.