Home / 43,267.72-64,901.19-13,685.58

Finding the Fourth Proportional to 43,267.72, 64,901.19 and 13,685.58

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Solution

The fourth proportional to 43,267.72, 64,901.19 and 13,685.58 is: 20,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,267.72 : 64,901.19 = 13,685.58 : x
  2. Step 2: Convert to fraction form
    43,267.72/64,901.19 = 13,685.58/x
  3. Step 3: Cross multiply
    43,267.72x = 64,901.19 × 13,685.58
  4. Step 4: Simplify right side
    43,267.72x = 888,210,427.84
  5. Step 5: Solve for x
    x = 888,210,427.84/43,267.72
  6. Step 6: Final answer
    x = 20,528.25

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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.