Home / 31,598.64-47,400.12-10,836.72

Finding the Fourth Proportional to 31,598.64, 47,400.12 and 10,836.72

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Solution

The fourth proportional to 31,598.64, 47,400.12 and 10,836.72 is: 16,255.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,598.64 : 47,400.12 = 10,836.72 : x
  2. Step 2: Convert to fraction form
    31,598.64/47,400.12 = 10,836.72/x
  3. Step 3: Cross multiply
    31,598.64x = 47,400.12 × 10,836.72
  4. Step 4: Simplify right side
    31,598.64x = 513,661,828.41
  5. Step 5: Solve for x
    x = 513,661,828.41/31,598.64
  6. Step 6: Final answer
    x = 16,255.82

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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.