Home / 34,341.48-47,395.23-20,920.62

Finding the Fourth Proportional to 34,341.48, 47,395.23 and 20,920.62

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Solution

The fourth proportional to 34,341.48, 47,395.23 and 20,920.62 is: 28,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,341.48 : 47,395.23 = 20,920.62 : x
  2. Step 2: Convert to fraction form
    34,341.48/47,395.23 = 20,920.62/x
  3. Step 3: Cross multiply
    34,341.48x = 47,395.23 × 20,920.62
  4. Step 4: Simplify right side
    34,341.48x = 991,537,596.64
  5. Step 5: Solve for x
    x = 991,537,596.64/34,341.48
  6. Step 6: Final answer
    x = 28,872.88

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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.