Home / 34,688.56-47,869.98-18,772.88

Finding the Fourth Proportional to 34,688.56, 47,869.98 and 18,772.88

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Solution

The fourth proportional to 34,688.56, 47,869.98 and 18,772.88 is: 25,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,688.56 : 47,869.98 = 18,772.88 : x
  2. Step 2: Convert to fraction form
    34,688.56/47,869.98 = 18,772.88/x
  3. Step 3: Cross multiply
    34,688.56x = 47,869.98 × 18,772.88
  4. Step 4: Simplify right side
    34,688.56x = 898,657,390.14
  5. Step 5: Solve for x
    x = 898,657,390.14/34,688.56
  6. Step 6: Final answer
    x = 25,906.45

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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.