Home / 31,025.79-46,512.36-12,318.98

Finding the Fourth Proportional to 31,025.79, 46,512.36 and 12,318.98

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Solution

The fourth proportional to 31,025.79, 46,512.36 and 12,318.98 is: 18,468.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,025.79 : 46,512.36 = 12,318.98 : x
  2. Step 2: Convert to fraction form
    31,025.79/46,512.36 = 12,318.98/x
  3. Step 3: Cross multiply
    31,025.79x = 46,512.36 × 12,318.98
  4. Step 4: Simplify right side
    31,025.79x = 572,984,600.03
  5. Step 5: Solve for x
    x = 572,984,600.03/31,025.79
  6. Step 6: Final answer
    x = 18,468.01

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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.