Home / 42,913.24-64,346.82-15,207.64

Finding the Fourth Proportional to 42,913.24, 64,346.82 and 15,207.64

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Solution

The fourth proportional to 42,913.24, 64,346.82 and 15,207.64 is: 22,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,913.24 : 64,346.82 = 15,207.64 : x
  2. Step 2: Convert to fraction form
    42,913.24/64,346.82 = 15,207.64/x
  3. Step 3: Cross multiply
    42,913.24x = 64,346.82 × 15,207.64
  4. Step 4: Simplify right side
    42,913.24x = 978,563,273.70
  5. Step 5: Solve for x
    x = 978,563,273.70/42,913.24
  6. Step 6: Final answer
    x = 22,803.30

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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.