Home / 31,887.29-43,819.74-30,423.81

Finding the Fourth Proportional to 31,887.29, 43,819.74 and 30,423.81

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Solution

The fourth proportional to 31,887.29, 43,819.74 and 30,423.81 is: 41,808.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,887.29 : 43,819.74 = 30,423.81 : x
  2. Step 2: Convert to fraction form
    31,887.29/43,819.74 = 30,423.81/x
  3. Step 3: Cross multiply
    31,887.29x = 43,819.74 × 30,423.81
  4. Step 4: Simplify right side
    31,887.29x = 1,333,163,444.01
  5. Step 5: Solve for x
    x = 1,333,163,444.01/31,887.29
  6. Step 6: Final answer
    x = 41,808.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.