Home / 31,282.74-46,931.40-10,223.75

Finding the Fourth Proportional to 31,282.74, 46,931.40 and 10,223.75

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Solution

The fourth proportional to 31,282.74, 46,931.40 and 10,223.75 is: 15,338.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.74 : 46,931.40 = 10,223.75 : x
  2. Step 2: Convert to fraction form
    31,282.74/46,931.40 = 10,223.75/x
  3. Step 3: Cross multiply
    31,282.74x = 46,931.40 × 10,223.75
  4. Step 4: Simplify right side
    31,282.74x = 479,815,018.08
  5. Step 5: Solve for x
    x = 479,815,018.08/31,282.74
  6. Step 6: Final answer
    x = 15,338.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.