Home / 30,622.79-42,258.08-17,193.80

Finding the Fourth Proportional to 30,622.79, 42,258.08 and 17,193.80

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Solution

The fourth proportional to 30,622.79, 42,258.08 and 17,193.80 is: 23,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622.79 : 42,258.08 = 17,193.80 : x
  2. Step 2: Convert to fraction form
    30,622.79/42,258.08 = 17,193.80/x
  3. Step 3: Cross multiply
    30,622.79x = 42,258.08 × 17,193.80
  4. Step 4: Simplify right side
    30,622.79x = 726,576,678.64
  5. Step 5: Solve for x
    x = 726,576,678.64/30,622.79
  6. Step 6: Final answer
    x = 23,726.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.