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Finding the Fourth Proportional to 62,005.75, 93,008.67 and 20,452.75

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Solution

The fourth proportional to 62,005.75, 93,008.67 and 20,452.75 is: 30,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,005.75 : 93,008.67 = 20,452.75 : x
  2. Step 2: Convert to fraction form
    62,005.75/93,008.67 = 20,452.75/x
  3. Step 3: Cross multiply
    62,005.75x = 93,008.67 × 20,452.75
  4. Step 4: Simplify right side
    62,005.75x = 1,902,283,075.34
  5. Step 5: Solve for x
    x = 1,902,283,075.34/62,005.75
  6. Step 6: Final answer
    x = 30,679.14

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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.