Home / 31,860.28-47,521.56-27,667.32

Finding the Fourth Proportional to 31,860.28, 47,521.56 and 27,667.32

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Solution

The fourth proportional to 31,860.28, 47,521.56 and 27,667.32 is: 41,267.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,860.28 : 47,521.56 = 27,667.32 : x
  2. Step 2: Convert to fraction form
    31,860.28/47,521.56 = 27,667.32/x
  3. Step 3: Cross multiply
    31,860.28x = 47,521.56 × 27,667.32
  4. Step 4: Simplify right side
    31,860.28x = 1,314,793,969.81
  5. Step 5: Solve for x
    x = 1,314,793,969.81/31,860.28
  6. Step 6: Final answer
    x = 41,267.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.