Home / 32,426.70-48,631.34-12,431.86

Finding the Fourth Proportional to 32,426.70, 48,631.34 and 12,431.86

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Solution

The fourth proportional to 32,426.70, 48,631.34 and 12,431.86 is: 18,644.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,426.70 : 48,631.34 = 12,431.86 : x
  2. Step 2: Convert to fraction form
    32,426.70/48,631.34 = 12,431.86/x
  3. Step 3: Cross multiply
    32,426.70x = 48,631.34 × 12,431.86
  4. Step 4: Simplify right side
    32,426.70x = 604,578,010.49
  5. Step 5: Solve for x
    x = 604,578,010.49/32,426.70
  6. Step 6: Final answer
    x = 18,644.45

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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.