Home / 39,525.48-54,543.60-21,620.52

Finding the Fourth Proportional to 39,525.48, 54,543.60 and 21,620.52

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Solution

The fourth proportional to 39,525.48, 54,543.60 and 21,620.52 is: 29,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,525.48 : 54,543.60 = 21,620.52 : x
  2. Step 2: Convert to fraction form
    39,525.48/54,543.60 = 21,620.52/x
  3. Step 3: Cross multiply
    39,525.48x = 54,543.60 × 21,620.52
  4. Step 4: Simplify right side
    39,525.48x = 1,179,260,994.67
  5. Step 5: Solve for x
    x = 1,179,260,994.67/39,525.48
  6. Step 6: Final answer
    x = 29,835.46

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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.