Home / 30,376.58-41,919.54-16,947.03

Finding the Fourth Proportional to 30,376.58, 41,919.54 and 16,947.03

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Solution

The fourth proportional to 30,376.58, 41,919.54 and 16,947.03 is: 23,386.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.58 : 41,919.54 = 16,947.03 : x
  2. Step 2: Convert to fraction form
    30,376.58/41,919.54 = 16,947.03/x
  3. Step 3: Cross multiply
    30,376.58x = 41,919.54 × 16,947.03
  4. Step 4: Simplify right side
    30,376.58x = 710,411,701.97
  5. Step 5: Solve for x
    x = 710,411,701.97/30,376.58
  6. Step 6: Final answer
    x = 23,386.83

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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.