Home / 30,859.84-42,624.56-22,348.48

Finding the Fourth Proportional to 30,859.84, 42,624.56 and 22,348.48

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Solution

The fourth proportional to 30,859.84, 42,624.56 and 22,348.48 is: 30,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.84 : 42,624.56 = 22,348.48 : x
  2. Step 2: Convert to fraction form
    30,859.84/42,624.56 = 22,348.48/x
  3. Step 3: Cross multiply
    30,859.84x = 42,624.56 × 22,348.48
  4. Step 4: Simplify right side
    30,859.84x = 952,594,126.67
  5. Step 5: Solve for x
    x = 952,594,126.67/30,859.84
  6. Step 6: Final answer
    x = 30,868.41

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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.