Home / 35,031.36-48,349.56-20,885.12

Finding the Fourth Proportional to 35,031.36, 48,349.56 and 20,885.12

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Solution

The fourth proportional to 35,031.36, 48,349.56 and 20,885.12 is: 28,825.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,031.36 : 48,349.56 = 20,885.12 : x
  2. Step 2: Convert to fraction form
    35,031.36/48,349.56 = 20,885.12/x
  3. Step 3: Cross multiply
    35,031.36x = 48,349.56 × 20,885.12
  4. Step 4: Simplify right side
    35,031.36x = 1,009,786,362.55
  5. Step 5: Solve for x
    x = 1,009,786,362.55/35,031.36
  6. Step 6: Final answer
    x = 28,825.21

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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.