Home / 31,812.39-47,718.57-9,625.26

Finding the Fourth Proportional to 31,812.39, 47,718.57 and 9,625.26

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Solution

The fourth proportional to 31,812.39, 47,718.57 and 9,625.26 is: 14,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,812.39 : 47,718.57 = 9,625.26 : x
  2. Step 2: Convert to fraction form
    31,812.39/47,718.57 = 9,625.26/x
  3. Step 3: Cross multiply
    31,812.39x = 47,718.57 × 9,625.26
  4. Step 4: Simplify right side
    31,812.39x = 459,303,643.08
  5. Step 5: Solve for x
    x = 459,303,643.08/31,812.39
  6. Step 6: Final answer
    x = 14,437.89

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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.