Home / 34,737.85-47,939.81-21,306.03

Finding the Fourth Proportional to 34,737.85, 47,939.81 and 21,306.03

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Solution

The fourth proportional to 34,737.85, 47,939.81 and 21,306.03 is: 29,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,737.85 : 47,939.81 = 21,306.03 : x
  2. Step 2: Convert to fraction form
    34,737.85/47,939.81 = 21,306.03/x
  3. Step 3: Cross multiply
    34,737.85x = 47,939.81 × 21,306.03
  4. Step 4: Simplify right side
    34,737.85x = 1,021,407,030.05
  5. Step 5: Solve for x
    x = 1,021,407,030.05/34,737.85
  6. Step 6: Final answer
    x = 29,403.29

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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.