Home / 31,538.79-47,340.99-23,228.19

Finding the Fourth Proportional to 31,538.79, 47,340.99 and 23,228.19

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Solution

The fourth proportional to 31,538.79, 47,340.99 and 23,228.19 is: 34,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,538.79 : 47,340.99 = 23,228.19 : x
  2. Step 2: Convert to fraction form
    31,538.79/47,340.99 = 23,228.19/x
  3. Step 3: Cross multiply
    31,538.79x = 47,340.99 × 23,228.19
  4. Step 4: Simplify right side
    31,538.79x = 1,099,645,510.51
  5. Step 5: Solve for x
    x = 1,099,645,510.51/31,538.79
  6. Step 6: Final answer
    x = 34,866.45

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1.5x scale

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.