Home / 32,420.13-44,739.45-18,277.53

Finding the Fourth Proportional to 32,420.13, 44,739.45 and 18,277.53

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Solution

The fourth proportional to 32,420.13, 44,739.45 and 18,277.53 is: 25,222.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,420.13 : 44,739.45 = 18,277.53 : x
  2. Step 2: Convert to fraction form
    32,420.13/44,739.45 = 18,277.53/x
  3. Step 3: Cross multiply
    32,420.13x = 44,739.45 × 18,277.53
  4. Step 4: Simplify right side
    32,420.13x = 817,726,639.56
  5. Step 5: Solve for x
    x = 817,726,639.56/32,420.13
  6. Step 6: Final answer
    x = 25,222.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.