Home / 30,301.29-41,813.01-22,347.90

Finding the Fourth Proportional to 30,301.29, 41,813.01 and 22,347.90

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Solution

The fourth proportional to 30,301.29, 41,813.01 and 22,347.90 is: 30,838.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,301.29 : 41,813.01 = 22,347.90 : x
  2. Step 2: Convert to fraction form
    30,301.29/41,813.01 = 22,347.90/x
  3. Step 3: Cross multiply
    30,301.29x = 41,813.01 × 22,347.90
  4. Step 4: Simplify right side
    30,301.29x = 934,432,966.18
  5. Step 5: Solve for x
    x = 934,432,966.18/30,301.29
  6. Step 6: Final answer
    x = 30,838.06

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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.