Home / 42,840.48-64,274.90-27,027.26

Finding the Fourth Proportional to 42,840.48, 64,274.90 and 27,027.26

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Solution

The fourth proportional to 42,840.48, 64,274.90 and 27,027.26 is: 40,549.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,840.48 : 64,274.90 = 27,027.26 : x
  2. Step 2: Convert to fraction form
    42,840.48/64,274.90 = 27,027.26/x
  3. Step 3: Cross multiply
    42,840.48x = 64,274.90 × 27,027.26
  4. Step 4: Simplify right side
    42,840.48x = 1,737,173,977.26
  5. Step 5: Solve for x
    x = 1,737,173,977.26/42,840.48
  6. Step 6: Final answer
    x = 40,549.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.