Home / 31,424.91-47,073.71-14,533.92

Finding the Fourth Proportional to 31,424.91, 47,073.71 and 14,533.92

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Solution

The fourth proportional to 31,424.91, 47,073.71 and 14,533.92 is: 21,771.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.91 : 47,073.71 = 14,533.92 : x
  2. Step 2: Convert to fraction form
    31,424.91/47,073.71 = 14,533.92/x
  3. Step 3: Cross multiply
    31,424.91x = 47,073.71 × 14,533.92
  4. Step 4: Simplify right side
    31,424.91x = 684,165,462.57
  5. Step 5: Solve for x
    x = 684,165,462.57/31,424.91
  6. Step 6: Final answer
    x = 21,771.44

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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.