Home / 31,014.35-42,800.69-19,084.67

Finding the Fourth Proportional to 31,014.35, 42,800.69 and 19,084.67

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Solution

The fourth proportional to 31,014.35, 42,800.69 and 19,084.67 is: 26,337.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,014.35 : 42,800.69 = 19,084.67 : x
  2. Step 2: Convert to fraction form
    31,014.35/42,800.69 = 19,084.67/x
  3. Step 3: Cross multiply
    31,014.35x = 42,800.69 × 19,084.67
  4. Step 4: Simplify right side
    31,014.35x = 816,836,878.13
  5. Step 5: Solve for x
    x = 816,836,878.13/31,014.35
  6. Step 6: Final answer
    x = 26,337.39

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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.