Home / 34,697.84-47,858.28-21,272.24

Finding the Fourth Proportional to 34,697.84, 47,858.28 and 21,272.24

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Solution

The fourth proportional to 34,697.84, 47,858.28 and 21,272.24 is: 29,340.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,697.84 : 47,858.28 = 21,272.24 : x
  2. Step 2: Convert to fraction form
    34,697.84/47,858.28 = 21,272.24/x
  3. Step 3: Cross multiply
    34,697.84x = 47,858.28 × 21,272.24
  4. Step 4: Simplify right side
    34,697.84x = 1,018,052,818.15
  5. Step 5: Solve for x
    x = 1,018,052,818.15/34,697.84
  6. Step 6: Final answer
    x = 29,340.52

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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.