Home / 42,692.40-64,041.68-16,397.15

Finding the Fourth Proportional to 42,692.40, 64,041.68 and 16,397.15

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Solution

The fourth proportional to 42,692.40, 64,041.68 and 16,397.15 is: 24,596.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,692.40 : 64,041.68 = 16,397.15 : x
  2. Step 2: Convert to fraction form
    42,692.40/64,041.68 = 16,397.15/x
  3. Step 3: Cross multiply
    42,692.40x = 64,041.68 × 16,397.15
  4. Step 4: Simplify right side
    42,692.40x = 1,050,101,033.21
  5. Step 5: Solve for x
    x = 1,050,101,033.21/42,692.40
  6. Step 6: Final answer
    x = 24,596.91

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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.