Home / 43,150.08-64,724.76-11,129.07

Finding the Fourth Proportional to 43,150.08, 64,724.76 and 11,129.07

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Solution

The fourth proportional to 43,150.08, 64,724.76 and 11,129.07 is: 16,693.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,150.08 : 64,724.76 = 11,129.07 : x
  2. Step 2: Convert to fraction form
    43,150.08/64,724.76 = 11,129.07/x
  3. Step 3: Cross multiply
    43,150.08x = 64,724.76 × 11,129.07
  4. Step 4: Simplify right side
    43,150.08x = 720,326,384.77
  5. Step 5: Solve for x
    x = 720,326,384.77/43,150.08
  6. Step 6: Final answer
    x = 16,693.51

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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.