Home / 34,430.30-47,515.90-19,324.22

Finding the Fourth Proportional to 34,430.30, 47,515.90 and 19,324.22

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Solution

The fourth proportional to 34,430.30, 47,515.90 and 19,324.22 is: 26,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,430.30 : 47,515.90 = 19,324.22 : x
  2. Step 2: Convert to fraction form
    34,430.30/47,515.90 = 19,324.22/x
  3. Step 3: Cross multiply
    34,430.30x = 47,515.90 × 19,324.22
  4. Step 4: Simplify right side
    34,430.30x = 918,207,705.10
  5. Step 5: Solve for x
    x = 918,207,705.10/34,430.30
  6. Step 6: Final answer
    x = 26,668.59

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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.