Home / 34,420.59-47,505.78-19,319.37

Finding the Fourth Proportional to 34,420.59, 47,505.78 and 19,319.37

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Solution

The fourth proportional to 34,420.59, 47,505.78 and 19,319.37 is: 26,663.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,420.59 : 47,505.78 = 19,319.37 : x
  2. Step 2: Convert to fraction form
    34,420.59/47,505.78 = 19,319.37/x
  3. Step 3: Cross multiply
    34,420.59x = 47,505.78 × 19,319.37
  4. Step 4: Simplify right side
    34,420.59x = 917,781,740.96
  5. Step 5: Solve for x
    x = 917,781,740.96/34,420.59
  6. Step 6: Final answer
    x = 26,663.74

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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.