Home / 42,697.04-64,048.64-16,401.78

Finding the Fourth Proportional to 42,697.04, 64,048.64 and 16,401.78

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Solution

The fourth proportional to 42,697.04, 64,048.64 and 16,401.78 is: 24,603.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,697.04 : 64,048.64 = 16,401.78 : x
  2. Step 2: Convert to fraction form
    42,697.04/64,048.64 = 16,401.78/x
  3. Step 3: Cross multiply
    42,697.04x = 64,048.64 × 16,401.78
  4. Step 4: Simplify right side
    42,697.04x = 1,050,511,702.58
  5. Step 5: Solve for x
    x = 1,050,511,702.58/42,697.04
  6. Step 6: Final answer
    x = 24,603.85

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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.