Home / 19,539.41-29,308.85-4,748.28

Finding the Fourth Proportional to 19,539.41, 29,308.85 and 4,748.28

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Solution

The fourth proportional to 19,539.41, 29,308.85 and 4,748.28 is: 7,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.41 : 29,308.85 = 4,748.28 : x
  2. Step 2: Convert to fraction form
    19,539.41/29,308.85 = 4,748.28/x
  3. Step 3: Cross multiply
    19,539.41x = 29,308.85 × 4,748.28
  4. Step 4: Simplify right side
    19,539.41x = 139,166,638.15
  5. Step 5: Solve for x
    x = 139,166,638.15/19,539.41
  6. Step 6: Final answer
    x = 7,122.36

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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.