Home / 32,486.10-48,739.05-13,756.38

Finding the Fourth Proportional to 32,486.10, 48,739.05 and 13,756.38

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Solution

The fourth proportional to 32,486.10, 48,739.05 and 13,756.38 is: 20,638.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,486.10 : 48,739.05 = 13,756.38 : x
  2. Step 2: Convert to fraction form
    32,486.10/48,739.05 = 13,756.38/x
  3. Step 3: Cross multiply
    32,486.10x = 48,739.05 × 13,756.38
  4. Step 4: Simplify right side
    32,486.10x = 670,472,892.64
  5. Step 5: Solve for x
    x = 670,472,892.64/32,486.10
  6. Step 6: Final answer
    x = 20,638.76

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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.