Home / 31,971.05-44,106.05-30,488.75

Finding the Fourth Proportional to 31,971.05, 44,106.05 and 30,488.75

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Solution

The fourth proportional to 31,971.05, 44,106.05 and 30,488.75 is: 42,061.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,971.05 : 44,106.05 = 30,488.75 : x
  2. Step 2: Convert to fraction form
    31,971.05/44,106.05 = 30,488.75/x
  3. Step 3: Cross multiply
    31,971.05x = 44,106.05 × 30,488.75
  4. Step 4: Simplify right side
    31,971.05x = 1,344,738,331.94
  5. Step 5: Solve for x
    x = 1,344,738,331.94/31,971.05
  6. Step 6: Final answer
    x = 42,061.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.