Home / 32,561.78-48,804.40-13,830.12

Finding the Fourth Proportional to 32,561.78, 48,804.40 and 13,830.12

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Solution

The fourth proportional to 32,561.78, 48,804.40 and 13,830.12 is: 20,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,561.78 : 48,804.40 = 13,830.12 : x
  2. Step 2: Convert to fraction form
    32,561.78/48,804.40 = 13,830.12/x
  3. Step 3: Cross multiply
    32,561.78x = 48,804.40 × 13,830.12
  4. Step 4: Simplify right side
    32,561.78x = 674,970,708.53
  5. Step 5: Solve for x
    x = 674,970,708.53/32,561.78
  6. Step 6: Final answer
    x = 20,728.93

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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.