Home / 30,848.70-46,276.65-19,764.30

Finding the Fourth Proportional to 30,848.70, 46,276.65 and 19,764.30

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Solution

The fourth proportional to 30,848.70, 46,276.65 and 19,764.30 is: 29,648.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,848.70 : 46,276.65 = 19,764.30 : x
  2. Step 2: Convert to fraction form
    30,848.70/46,276.65 = 19,764.30/x
  3. Step 3: Cross multiply
    30,848.70x = 46,276.65 × 19,764.30
  4. Step 4: Simplify right side
    30,848.70x = 914,625,593.60
  5. Step 5: Solve for x
    x = 914,625,593.60/30,848.70
  6. Step 6: Final answer
    x = 29,648.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.