Home / 31,237.28-46,687.12-28,746.56

Finding the Fourth Proportional to 31,237.28, 46,687.12 and 28,746.56

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Solution

The fourth proportional to 31,237.28, 46,687.12 and 28,746.56 is: 42,964.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,237.28 : 46,687.12 = 28,746.56 : x
  2. Step 2: Convert to fraction form
    31,237.28/46,687.12 = 28,746.56/x
  3. Step 3: Cross multiply
    31,237.28x = 46,687.12 × 28,746.56
  4. Step 4: Simplify right side
    31,237.28x = 1,342,094,096.31
  5. Step 5: Solve for x
    x = 1,342,094,096.31/31,237.28
  6. Step 6: Final answer
    x = 42,964.50

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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.