Home / 34,477.20-47,582.90-21,045.56

Finding the Fourth Proportional to 34,477.20, 47,582.90 and 21,045.56

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Solution

The fourth proportional to 34,477.20, 47,582.90 and 21,045.56 is: 29,045.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,477.20 : 47,582.90 = 21,045.56 : x
  2. Step 2: Convert to fraction form
    34,477.20/47,582.90 = 21,045.56/x
  3. Step 3: Cross multiply
    34,477.20x = 47,582.90 × 21,045.56
  4. Step 4: Simplify right side
    34,477.20x = 1,001,408,776.92
  5. Step 5: Solve for x
    x = 1,001,408,776.92/34,477.20
  6. Step 6: Final answer
    x = 29,045.54

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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.