Home / 34,072.76-47,027.40-19,929.08

Finding the Fourth Proportional to 34,072.76, 47,027.40 and 19,929.08

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Solution

The fourth proportional to 34,072.76, 47,027.40 and 19,929.08 is: 27,506.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,072.76 : 47,027.40 = 19,929.08 : x
  2. Step 2: Convert to fraction form
    34,072.76/47,027.40 = 19,929.08/x
  3. Step 3: Cross multiply
    34,072.76x = 47,027.40 × 19,929.08
  4. Step 4: Simplify right side
    34,072.76x = 937,212,816.79
  5. Step 5: Solve for x
    x = 937,212,816.79/34,072.76
  6. Step 6: Final answer
    x = 27,506.22

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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.