Home / 34,836.19-48,074.30-18,920.95

Finding the Fourth Proportional to 34,836.19, 48,074.30 and 18,920.95

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Solution

The fourth proportional to 34,836.19, 48,074.30 and 18,920.95 is: 26,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,836.19 : 48,074.30 = 18,920.95 : x
  2. Step 2: Convert to fraction form
    34,836.19/48,074.30 = 18,920.95/x
  3. Step 3: Cross multiply
    34,836.19x = 48,074.30 × 18,920.95
  4. Step 4: Simplify right side
    34,836.19x = 909,611,426.59
  5. Step 5: Solve for x
    x = 909,611,426.59/34,836.19
  6. Step 6: Final answer
    x = 26,111.11

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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.