Home / 34,071.81-47,024.73-19,921.92

Finding the Fourth Proportional to 34,071.81, 47,024.73 and 19,921.92

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Solution

The fourth proportional to 34,071.81, 47,024.73 and 19,921.92 is: 27,495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,071.81 : 47,024.73 = 19,921.92 : x
  2. Step 2: Convert to fraction form
    34,071.81/47,024.73 = 19,921.92/x
  3. Step 3: Cross multiply
    34,071.81x = 47,024.73 × 19,921.92
  4. Step 4: Simplify right side
    34,071.81x = 936,822,909.08
  5. Step 5: Solve for x
    x = 936,822,909.08/34,071.81
  6. Step 6: Final answer
    x = 27,495.54

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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.