Home / 31,405.99-43,337.73-17,974.18

Finding the Fourth Proportional to 31,405.99, 43,337.73 and 17,974.18

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Solution

The fourth proportional to 31,405.99, 43,337.73 and 17,974.18 is: 24,802.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,405.99 : 43,337.73 = 17,974.18 : x
  2. Step 2: Convert to fraction form
    31,405.99/43,337.73 = 17,974.18/x
  3. Step 3: Cross multiply
    31,405.99x = 43,337.73 × 17,974.18
  4. Step 4: Simplify right side
    31,405.99x = 778,960,159.81
  5. Step 5: Solve for x
    x = 778,960,159.81/31,405.99
  6. Step 6: Final answer
    x = 24,802.92

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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.