Home / 21,232.58-31,848.77-5,437.58

Finding the Fourth Proportional to 21,232.58, 31,848.77 and 5,437.58

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Solution

The fourth proportional to 21,232.58, 31,848.77 and 5,437.58 is: 8,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.58 : 31,848.77 = 5,437.58 : x
  2. Step 2: Convert to fraction form
    21,232.58/31,848.77 = 5,437.58/x
  3. Step 3: Cross multiply
    21,232.58x = 31,848.77 × 5,437.58
  4. Step 4: Simplify right side
    21,232.58x = 173,180,089.13
  5. Step 5: Solve for x
    x = 173,180,089.13/21,232.58
  6. Step 6: Final answer
    x = 8,156.34

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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.