Home / 30,282.01-41,779.65-21,334.45

Finding the Fourth Proportional to 30,282.01, 41,779.65 and 21,334.45

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Solution

The fourth proportional to 30,282.01, 41,779.65 and 21,334.45 is: 29,434.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,282.01 : 41,779.65 = 21,334.45 : x
  2. Step 2: Convert to fraction form
    30,282.01/41,779.65 = 21,334.45/x
  3. Step 3: Cross multiply
    30,282.01x = 41,779.65 × 21,334.45
  4. Step 4: Simplify right side
    30,282.01x = 891,345,853.94
  5. Step 5: Solve for x
    x = 891,345,853.94/30,282.01
  6. Step 6: Final answer
    x = 29,434.83

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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.