Home / 34,632.06-47,780.99-21,189.30

Finding the Fourth Proportional to 34,632.06, 47,780.99 and 21,189.30

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Solution

The fourth proportional to 34,632.06, 47,780.99 and 21,189.30 is: 29,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,632.06 : 47,780.99 = 21,189.30 : x
  2. Step 2: Convert to fraction form
    34,632.06/47,780.99 = 21,189.30/x
  3. Step 3: Cross multiply
    34,632.06x = 47,780.99 × 21,189.30
  4. Step 4: Simplify right side
    34,632.06x = 1,012,445,731.41
  5. Step 5: Solve for x
    x = 1,012,445,731.41/34,632.06
  6. Step 6: Final answer
    x = 29,234.35

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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.