Home / 32,420.08-48,635.32-13,700.30

Finding the Fourth Proportional to 32,420.08, 48,635.32 and 13,700.30

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Solution

The fourth proportional to 32,420.08, 48,635.32 and 13,700.30 is: 20,552.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,420.08 : 48,635.32 = 13,700.30 : x
  2. Step 2: Convert to fraction form
    32,420.08/48,635.32 = 13,700.30/x
  3. Step 3: Cross multiply
    32,420.08x = 48,635.32 × 13,700.30
  4. Step 4: Simplify right side
    32,420.08x = 666,318,474.60
  5. Step 5: Solve for x
    x = 666,318,474.60/32,420.08
  6. Step 6: Final answer
    x = 20,552.65

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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.