Home / 31,623.51-47,423.73-9,429.39

Finding the Fourth Proportional to 31,623.51, 47,423.73 and 9,429.39

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Solution

The fourth proportional to 31,623.51, 47,423.73 and 9,429.39 is: 14,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,623.51 : 47,423.73 = 9,429.39 : x
  2. Step 2: Convert to fraction form
    31,623.51/47,423.73 = 9,429.39/x
  3. Step 3: Cross multiply
    31,623.51x = 47,423.73 × 9,429.39
  4. Step 4: Simplify right side
    31,623.51x = 447,176,694.37
  5. Step 5: Solve for x
    x = 447,176,694.37/31,623.51
  6. Step 6: Final answer
    x = 14,140.64

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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.