Home / 35,294.99-48,708.68-21,147.53

Finding the Fourth Proportional to 35,294.99, 48,708.68 and 21,147.53

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Solution

The fourth proportional to 35,294.99, 48,708.68 and 21,147.53 is: 29,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,294.99 : 48,708.68 = 21,147.53 : x
  2. Step 2: Convert to fraction form
    35,294.99/48,708.68 = 21,147.53/x
  3. Step 3: Cross multiply
    35,294.99x = 48,708.68 × 21,147.53
  4. Step 4: Simplify right side
    35,294.99x = 1,030,068,271.56
  5. Step 5: Solve for x
    x = 1,030,068,271.56/35,294.99
  6. Step 6: Final answer
    x = 29,184.55

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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.