Home / 45,429.41-62,689.46-28,432.94

Finding the Fourth Proportional to 45,429.41, 62,689.46 and 28,432.94

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Solution

The fourth proportional to 45,429.41, 62,689.46 and 28,432.94 is: 39,235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,429.41 : 62,689.46 = 28,432.94 : x
  2. Step 2: Convert to fraction form
    45,429.41/62,689.46 = 28,432.94/x
  3. Step 3: Cross multiply
    45,429.41x = 62,689.46 × 28,432.94
  4. Step 4: Simplify right side
    45,429.41x = 1,782,445,199.20
  5. Step 5: Solve for x
    x = 1,782,445,199.20/45,429.41
  6. Step 6: Final answer
    x = 39,235.50

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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.