Home / 34,920.09-48,188.80-19,004.20

Finding the Fourth Proportional to 34,920.09, 48,188.80 and 19,004.20

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Solution

The fourth proportional to 34,920.09, 48,188.80 and 19,004.20 is: 26,225.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,920.09 : 48,188.80 = 19,004.20 : x
  2. Step 2: Convert to fraction form
    34,920.09/48,188.80 = 19,004.20/x
  3. Step 3: Cross multiply
    34,920.09x = 48,188.80 × 19,004.20
  4. Step 4: Simplify right side
    34,920.09x = 915,789,257.00
  5. Step 5: Solve for x
    x = 915,789,257.00/34,920.09
  6. Step 6: Final answer
    x = 26,225.29

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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.