Home / 57,588.30-79,466.40-42,489.36

Finding the Fourth Proportional to 57,588.30, 79,466.40 and 42,489.36

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Solution

The fourth proportional to 57,588.30, 79,466.40 and 42,489.36 is: 58,631.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,588.30 : 79,466.40 = 42,489.36 : x
  2. Step 2: Convert to fraction form
    57,588.30/79,466.40 = 42,489.36/x
  3. Step 3: Cross multiply
    57,588.30x = 79,466.40 × 42,489.36
  4. Step 4: Simplify right side
    57,588.30x = 3,376,476,477.50
  5. Step 5: Solve for x
    x = 3,376,476,477.50/57,588.30
  6. Step 6: Final answer
    x = 58,631.29

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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.