Home / 34,270.19-47,289.93-19,930.30

Finding the Fourth Proportional to 34,270.19, 47,289.93 and 19,930.30

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Solution

The fourth proportional to 34,270.19, 47,289.93 and 19,930.30 is: 27,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,270.19 : 47,289.93 = 19,930.30 : x
  2. Step 2: Convert to fraction form
    34,270.19/47,289.93 = 19,930.30/x
  3. Step 3: Cross multiply
    34,270.19x = 47,289.93 × 19,930.30
  4. Step 4: Simplify right side
    34,270.19x = 942,502,564.92
  5. Step 5: Solve for x
    x = 942,502,564.92/34,270.19
  6. Step 6: Final answer
    x = 27,502.11

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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.