Home / 42,433.37-63,660.53-29,977.80

Finding the Fourth Proportional to 42,433.37, 63,660.53 and 29,977.80

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Solution

The fourth proportional to 42,433.37, 63,660.53 and 29,977.80 is: 44,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,433.37 : 63,660.53 = 29,977.80 : x
  2. Step 2: Convert to fraction form
    42,433.37/63,660.53 = 29,977.80/x
  3. Step 3: Cross multiply
    42,433.37x = 63,660.53 × 29,977.80
  4. Step 4: Simplify right side
    42,433.37x = 1,908,402,472.45
  5. Step 5: Solve for x
    x = 1,908,402,472.45/42,433.37
  6. Step 6: Final answer
    x = 44,974.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.