Home / 31,477.91-47,233.25-13,943.63

Finding the Fourth Proportional to 31,477.91, 47,233.25 and 13,943.63

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Solution

The fourth proportional to 31,477.91, 47,233.25 and 13,943.63 is: 20,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,477.91 : 47,233.25 = 13,943.63 : x
  2. Step 2: Convert to fraction form
    31,477.91/47,233.25 = 13,943.63/x
  3. Step 3: Cross multiply
    31,477.91x = 47,233.25 × 13,943.63
  4. Step 4: Simplify right side
    31,477.91x = 658,602,655.81
  5. Step 5: Solve for x
    x = 658,602,655.81/31,477.91
  6. Step 6: Final answer
    x = 20,922.70

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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.