Home / 34,420.19-47,495.97-19,309.71

Finding the Fourth Proportional to 34,420.19, 47,495.97 and 19,309.71

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Solution

The fourth proportional to 34,420.19, 47,495.97 and 19,309.71 is: 26,645.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,420.19 : 47,495.97 = 19,309.71 : x
  2. Step 2: Convert to fraction form
    34,420.19/47,495.97 = 19,309.71/x
  3. Step 3: Cross multiply
    34,420.19x = 47,495.97 × 19,309.71
  4. Step 4: Simplify right side
    34,420.19x = 917,133,406.87
  5. Step 5: Solve for x
    x = 917,133,406.87/34,420.19
  6. Step 6: Final answer
    x = 26,645.22

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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.