Home / 39,775.44-59,690.28-21,054.72

Finding the Fourth Proportional to 39,775.44, 59,690.28 and 21,054.72

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Solution

The fourth proportional to 39,775.44, 59,690.28 and 21,054.72 is: 31,596.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,775.44 : 59,690.28 = 21,054.72 : x
  2. Step 2: Convert to fraction form
    39,775.44/59,690.28 = 21,054.72/x
  3. Step 3: Cross multiply
    39,775.44x = 59,690.28 × 21,054.72
  4. Step 4: Simplify right side
    39,775.44x = 1,256,762,132.12
  5. Step 5: Solve for x
    x = 1,256,762,132.12/39,775.44
  6. Step 6: Final answer
    x = 31,596.44

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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.