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Finding the Fourth Proportional to 57,265.98, 79,027.90 and 42,900.36

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Solution

The fourth proportional to 57,265.98, 79,027.90 and 42,900.36 is: 59,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,265.98 : 79,027.90 = 42,900.36 : x
  2. Step 2: Convert to fraction form
    57,265.98/79,027.90 = 42,900.36/x
  3. Step 3: Cross multiply
    57,265.98x = 79,027.90 × 42,900.36
  4. Step 4: Simplify right side
    57,265.98x = 3,390,325,360.04
  5. Step 5: Solve for x
    x = 3,390,325,360.04/57,265.98
  6. Step 6: Final answer
    x = 59,203.13

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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.