Home / 42,725.39-64,088.08-11,560.64

Finding the Fourth Proportional to 42,725.39, 64,088.08 and 11,560.64

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Solution

The fourth proportional to 42,725.39, 64,088.08 and 11,560.64 is: 17,340.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,725.39 : 64,088.08 = 11,560.64 : x
  2. Step 2: Convert to fraction form
    42,725.39/64,088.08 = 11,560.64/x
  3. Step 3: Cross multiply
    42,725.39x = 64,088.08 × 11,560.64
  4. Step 4: Simplify right side
    42,725.39x = 740,899,221.17
  5. Step 5: Solve for x
    x = 740,899,221.17/42,725.39
  6. Step 6: Final answer
    x = 17,340.96

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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.