Home / 31,950.09-47,889.27-10,870.47

Finding the Fourth Proportional to 31,950.09, 47,889.27 and 10,870.47

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Solution

The fourth proportional to 31,950.09, 47,889.27 and 10,870.47 is: 16,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,950.09 : 47,889.27 = 10,870.47 : x
  2. Step 2: Convert to fraction form
    31,950.09/47,889.27 = 10,870.47/x
  3. Step 3: Cross multiply
    31,950.09x = 47,889.27 × 10,870.47
  4. Step 4: Simplify right side
    31,950.09x = 520,578,872.86
  5. Step 5: Solve for x
    x = 520,578,872.86/31,950.09
  6. Step 6: Final answer
    x = 16,293.50

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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.