Home / 43,068.24-64,602.86-11,478.12

Finding the Fourth Proportional to 43,068.24, 64,602.86 and 11,478.12

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Solution

The fourth proportional to 43,068.24, 64,602.86 and 11,478.12 is: 17,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,068.24 : 64,602.86 = 11,478.12 : x
  2. Step 2: Convert to fraction form
    43,068.24/64,602.86 = 11,478.12/x
  3. Step 3: Cross multiply
    43,068.24x = 64,602.86 × 11,478.12
  4. Step 4: Simplify right side
    43,068.24x = 741,519,379.42
  5. Step 5: Solve for x
    x = 741,519,379.42/43,068.24
  6. Step 6: Final answer
    x = 17,217.31

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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.