Home / 34,688.36-47,870.02-18,772.98

Finding the Fourth Proportional to 34,688.36, 47,870.02 and 18,772.98

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Solution

The fourth proportional to 34,688.36, 47,870.02 and 18,772.98 is: 25,906.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,688.36 : 47,870.02 = 18,772.98 : x
  2. Step 2: Convert to fraction form
    34,688.36/47,870.02 = 18,772.98/x
  3. Step 3: Cross multiply
    34,688.36x = 47,870.02 × 18,772.98
  4. Step 4: Simplify right side
    34,688.36x = 898,662,928.06
  5. Step 5: Solve for x
    x = 898,662,928.06/34,688.36
  6. Step 6: Final answer
    x = 25,906.76

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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.