Home / 34,737.31-47,935.83-20,395.18

Finding the Fourth Proportional to 34,737.31, 47,935.83 and 20,395.18

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Solution

The fourth proportional to 34,737.31, 47,935.83 and 20,395.18 is: 28,144.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,737.31 : 47,935.83 = 20,395.18 : x
  2. Step 2: Convert to fraction form
    34,737.31/47,935.83 = 20,395.18/x
  3. Step 3: Cross multiply
    34,737.31x = 47,935.83 × 20,395.18
  4. Step 4: Simplify right side
    34,737.31x = 977,659,881.30
  5. Step 5: Solve for x
    x = 977,659,881.30/34,737.31
  6. Step 6: Final answer
    x = 28,144.38

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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.