Home / 31,292.70-46,939.03-12,572.74

Finding the Fourth Proportional to 31,292.70, 46,939.03 and 12,572.74

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Solution

The fourth proportional to 31,292.70, 46,939.03 and 12,572.74 is: 18,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,292.70 : 46,939.03 = 12,572.74 : x
  2. Step 2: Convert to fraction form
    31,292.70/46,939.03 = 12,572.74/x
  3. Step 3: Cross multiply
    31,292.70x = 46,939.03 × 12,572.74
  4. Step 4: Simplify right side
    31,292.70x = 590,152,157.18
  5. Step 5: Solve for x
    x = 590,152,157.18/31,292.70
  6. Step 6: Final answer
    x = 18,859.10

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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.