Home / 34,539.08-47,663.87-19,431.74

Finding the Fourth Proportional to 34,539.08, 47,663.87 and 19,431.74

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Solution

The fourth proportional to 34,539.08, 47,663.87 and 19,431.74 is: 26,815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,539.08 : 47,663.87 = 19,431.74 : x
  2. Step 2: Convert to fraction form
    34,539.08/47,663.87 = 19,431.74/x
  3. Step 3: Cross multiply
    34,539.08x = 47,663.87 × 19,431.74
  4. Step 4: Simplify right side
    34,539.08x = 926,191,951.23
  5. Step 5: Solve for x
    x = 926,191,951.23/34,539.08
  6. Step 6: Final answer
    x = 26,815.77

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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.