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Finding the Fourth Proportional to 34,152.40, 51,173.40 and 19,317.20

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Solution

The fourth proportional to 34,152.40, 51,173.40 and 19,317.20 is: 28,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,152.40 : 51,173.40 = 19,317.20 : x
  2. Step 2: Convert to fraction form
    34,152.40/51,173.40 = 19,317.20/x
  3. Step 3: Cross multiply
    34,152.40x = 51,173.40 × 19,317.20
  4. Step 4: Simplify right side
    34,152.40x = 988,526,802.48
  5. Step 5: Solve for x
    x = 988,526,802.48/34,152.40
  6. Step 6: Final answer
    x = 28,944.58

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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.