Home / 31,550.10-47,243.07-30,615.15

Finding the Fourth Proportional to 31,550.10, 47,243.07 and 30,615.15

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Solution

The fourth proportional to 31,550.10, 47,243.07 and 30,615.15 is: 45,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,550.10 : 47,243.07 = 30,615.15 : x
  2. Step 2: Convert to fraction form
    31,550.10/47,243.07 = 30,615.15/x
  3. Step 3: Cross multiply
    31,550.10x = 47,243.07 × 30,615.15
  4. Step 4: Simplify right side
    31,550.10x = 1,446,353,674.51
  5. Step 5: Solve for x
    x = 1,446,353,674.51/31,550.10
  6. Step 6: Final answer
    x = 45,843.08

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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.