Home / 35,172.78-48,538.44-19,258.20

Finding the Fourth Proportional to 35,172.78, 48,538.44 and 19,258.20

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Solution

The fourth proportional to 35,172.78, 48,538.44 and 19,258.20 is: 26,576.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,172.78 : 48,538.44 = 19,258.20 : x
  2. Step 2: Convert to fraction form
    35,172.78/48,538.44 = 19,258.20/x
  3. Step 3: Cross multiply
    35,172.78x = 48,538.44 × 19,258.20
  4. Step 4: Simplify right side
    35,172.78x = 934,762,985.21
  5. Step 5: Solve for x
    x = 934,762,985.21/35,172.78
  6. Step 6: Final answer
    x = 26,576.32

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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.