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Finding the Fourth Proportional to 35,172.94, 48,538.80 and 19,258.87

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Solution

The fourth proportional to 35,172.94, 48,538.80 and 19,258.87 is: 26,577.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,172.94 : 48,538.80 = 19,258.87 : x
  2. Step 2: Convert to fraction form
    35,172.94/48,538.80 = 19,258.87/x
  3. Step 3: Cross multiply
    35,172.94x = 48,538.80 × 19,258.87
  4. Step 4: Simplify right side
    35,172.94x = 934,802,439.16
  5. Step 5: Solve for x
    x = 934,802,439.16/35,172.94
  6. Step 6: Final answer
    x = 26,577.32

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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.