Home / 42,955.32-64,458.09-17,993.25

Finding the Fourth Proportional to 42,955.32, 64,458.09 and 17,993.25

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Solution

The fourth proportional to 42,955.32, 64,458.09 and 17,993.25 is: 27,000.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,955.32 : 64,458.09 = 17,993.25 : x
  2. Step 2: Convert to fraction form
    42,955.32/64,458.09 = 17,993.25/x
  3. Step 3: Cross multiply
    42,955.32x = 64,458.09 × 17,993.25
  4. Step 4: Simplify right side
    42,955.32x = 1,159,810,115.64
  5. Step 5: Solve for x
    x = 1,159,810,115.64/42,955.32
  6. Step 6: Final answer
    x = 27,000.38

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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.