Home / 30,258.70-45,388.37-9,202.17

Finding the Fourth Proportional to 30,258.70, 45,388.37 and 9,202.17

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Solution

The fourth proportional to 30,258.70, 45,388.37 and 9,202.17 is: 13,803.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.70 : 45,388.37 = 9,202.17 : x
  2. Step 2: Convert to fraction form
    30,258.70/45,388.37 = 9,202.17/x
  3. Step 3: Cross multiply
    30,258.70x = 45,388.37 × 9,202.17
  4. Step 4: Simplify right side
    30,258.70x = 417,671,496.76
  5. Step 5: Solve for x
    x = 417,671,496.76/30,258.70
  6. Step 6: Final answer
    x = 13,803.35

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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.