Home / 35,258.55-48,653.70-20,148.21

Finding the Fourth Proportional to 35,258.55, 48,653.70 and 20,148.21

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Solution

The fourth proportional to 35,258.55, 48,653.70 and 20,148.21 is: 27,802.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,258.55 : 48,653.70 = 20,148.21 : x
  2. Step 2: Convert to fraction form
    35,258.55/48,653.70 = 20,148.21/x
  3. Step 3: Cross multiply
    35,258.55x = 48,653.70 × 20,148.21
  4. Step 4: Simplify right side
    35,258.55x = 980,284,964.88
  5. Step 5: Solve for x
    x = 980,284,964.88/35,258.55
  6. Step 6: Final answer
    x = 27,802.76

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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.