Home / 34,420.23-47,499.12-19,312.56

Finding the Fourth Proportional to 34,420.23, 47,499.12 and 19,312.56

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Solution

The fourth proportional to 34,420.23, 47,499.12 and 19,312.56 is: 26,650.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,420.23 : 47,499.12 = 19,312.56 : x
  2. Step 2: Convert to fraction form
    34,420.23/47,499.12 = 19,312.56/x
  3. Step 3: Cross multiply
    34,420.23x = 47,499.12 × 19,312.56
  4. Step 4: Simplify right side
    34,420.23x = 917,329,604.95
  5. Step 5: Solve for x
    x = 917,329,604.95/34,420.23
  6. Step 6: Final answer
    x = 26,650.89

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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.