Home / 42,745.90-64,120.58-16,089.21

Finding the Fourth Proportional to 42,745.90, 64,120.58 and 16,089.21

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Solution

The fourth proportional to 42,745.90, 64,120.58 and 16,089.21 is: 24,134.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,745.90 : 64,120.58 = 16,089.21 : x
  2. Step 2: Convert to fraction form
    42,745.90/64,120.58 = 16,089.21/x
  3. Step 3: Cross multiply
    42,745.90x = 64,120.58 × 16,089.21
  4. Step 4: Simplify right side
    42,745.90x = 1,031,649,476.94
  5. Step 5: Solve for x
    x = 1,031,649,476.94/42,745.90
  6. Step 6: Final answer
    x = 24,134.47

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1.5x scale

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.