Home / 34,419.39-47,501.20-19,313.49

Finding the Fourth Proportional to 34,419.39, 47,501.20 and 19,313.49

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Solution

The fourth proportional to 34,419.39, 47,501.20 and 19,313.49 is: 26,653.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,419.39 : 47,501.20 = 19,313.49 : x
  2. Step 2: Convert to fraction form
    34,419.39/47,501.20 = 19,313.49/x
  3. Step 3: Cross multiply
    34,419.39x = 47,501.20 × 19,313.49
  4. Step 4: Simplify right side
    34,419.39x = 917,413,951.19
  5. Step 5: Solve for x
    x = 917,413,951.19/34,419.39
  6. Step 6: Final answer
    x = 26,653.99

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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.