Home / 34,885.20-48,140.56-19,779.26

Finding the Fourth Proportional to 34,885.20, 48,140.56 and 19,779.26

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Solution

The fourth proportional to 34,885.20, 48,140.56 and 19,779.26 is: 27,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,885.20 : 48,140.56 = 19,779.26 : x
  2. Step 2: Convert to fraction form
    34,885.20/48,140.56 = 19,779.26/x
  3. Step 3: Cross multiply
    34,885.20x = 48,140.56 × 19,779.26
  4. Step 4: Simplify right side
    34,885.20x = 952,184,652.79
  5. Step 5: Solve for x
    x = 952,184,652.79/34,885.20
  6. Step 6: Final answer
    x = 27,294.80

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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.