Home / 29,618.46-40,875.92-16,875.63

Finding the Fourth Proportional to 29,618.46, 40,875.92 and 16,875.63

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Solution

The fourth proportional to 29,618.46, 40,875.92 and 16,875.63 is: 23,289.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,618.46 : 40,875.92 = 16,875.63 : x
  2. Step 2: Convert to fraction form
    29,618.46/40,875.92 = 16,875.63/x
  3. Step 3: Cross multiply
    29,618.46x = 40,875.92 × 16,875.63
  4. Step 4: Simplify right side
    29,618.46x = 689,806,817.45
  5. Step 5: Solve for x
    x = 689,806,817.45/29,618.46
  6. Step 6: Final answer
    x = 23,289.76

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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.