Home / 43,155.80-64,741.86-16,858.88

Finding the Fourth Proportional to 43,155.80, 64,741.86 and 16,858.88

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Solution

The fourth proportional to 43,155.80, 64,741.86 and 16,858.88 is: 25,291.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,155.80 : 64,741.86 = 16,858.88 : x
  2. Step 2: Convert to fraction form
    43,155.80/64,741.86 = 16,858.88/x
  3. Step 3: Cross multiply
    43,155.80x = 64,741.86 × 16,858.88
  4. Step 4: Simplify right side
    43,155.80x = 1,091,474,925.01
  5. Step 5: Solve for x
    x = 1,091,474,925.01/43,155.80
  6. Step 6: Final answer
    x = 25,291.50

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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.