Home / 30,376.35-41,920.65-16,947.59

Finding the Fourth Proportional to 30,376.35, 41,920.65 and 16,947.59

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Solution

The fourth proportional to 30,376.35, 41,920.65 and 16,947.59 is: 23,388.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.35 : 41,920.65 = 16,947.59 : x
  2. Step 2: Convert to fraction form
    30,376.35/41,920.65 = 16,947.59/x
  3. Step 3: Cross multiply
    30,376.35x = 41,920.65 × 16,947.59
  4. Step 4: Simplify right side
    30,376.35x = 710,453,779.13
  5. Step 5: Solve for x
    x = 710,453,779.13/30,376.35
  6. Step 6: Final answer
    x = 23,388.39

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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.