Home / 52,689.60-72,709.08-30,029.56

Finding the Fourth Proportional to 52,689.60, 72,709.08 and 30,029.56

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Solution

The fourth proportional to 52,689.60, 72,709.08 and 30,029.56 is: 41,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,689.60 : 72,709.08 = 30,029.56 : x
  2. Step 2: Convert to fraction form
    52,689.60/72,709.08 = 30,029.56/x
  3. Step 3: Cross multiply
    52,689.60x = 72,709.08 × 30,029.56
  4. Step 4: Simplify right side
    52,689.60x = 2,183,421,680.40
  5. Step 5: Solve for x
    x = 2,183,421,680.40/52,689.60
  6. Step 6: Final answer
    x = 41,439.33

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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.