Home / 42,904.36-64,346.82-15,202.36

Finding the Fourth Proportional to 42,904.36, 64,346.82 and 15,202.36

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Solution

The fourth proportional to 42,904.36, 64,346.82 and 15,202.36 is: 22,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,904.36 : 64,346.82 = 15,202.36 : x
  2. Step 2: Convert to fraction form
    42,904.36/64,346.82 = 15,202.36/x
  3. Step 3: Cross multiply
    42,904.36x = 64,346.82 × 15,202.36
  4. Step 4: Simplify right side
    42,904.36x = 978,223,522.50
  5. Step 5: Solve for x
    x = 978,223,522.50/42,904.36
  6. Step 6: Final answer
    x = 22,800.10

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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.