Home / 32,411.95-44,716.86-18,978.30

Finding the Fourth Proportional to 32,411.95, 44,716.86 and 18,978.30

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Solution

The fourth proportional to 32,411.95, 44,716.86 and 18,978.30 is: 26,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,411.95 : 44,716.86 = 18,978.30 : x
  2. Step 2: Convert to fraction form
    32,411.95/44,716.86 = 18,978.30/x
  3. Step 3: Cross multiply
    32,411.95x = 44,716.86 × 18,978.30
  4. Step 4: Simplify right side
    32,411.95x = 848,649,984.14
  5. Step 5: Solve for x
    x = 848,649,984.14/32,411.95
  6. Step 6: Final answer
    x = 26,183.25

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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.