Home / 42,438.04-63,661.02-16,135.72

Finding the Fourth Proportional to 42,438.04, 63,661.02 and 16,135.72

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Solution

The fourth proportional to 42,438.04, 63,661.02 and 16,135.72 is: 24,205.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,438.04 : 63,661.02 = 16,135.72 : x
  2. Step 2: Convert to fraction form
    42,438.04/63,661.02 = 16,135.72/x
  3. Step 3: Cross multiply
    42,438.04x = 63,661.02 × 16,135.72
  4. Step 4: Simplify right side
    42,438.04x = 1,027,216,393.63
  5. Step 5: Solve for x
    x = 1,027,216,393.63/42,438.04
  6. Step 6: Final answer
    x = 24,205.09

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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.