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Finding the Fourth Proportional to 37,795.20, 56,692.08 and 9,715.20

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Solution

The fourth proportional to 37,795.20, 56,692.08 and 9,715.20 is: 14,572.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,795.20 : 56,692.08 = 9,715.20 : x
  2. Step 2: Convert to fraction form
    37,795.20/56,692.08 = 9,715.20/x
  3. Step 3: Cross multiply
    37,795.20x = 56,692.08 × 9,715.20
  4. Step 4: Simplify right side
    37,795.20x = 550,774,895.62
  5. Step 5: Solve for x
    x = 550,774,895.62/37,795.20
  6. Step 6: Final answer
    x = 14,572.61

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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.