Home / 52,435.52-72,361.20-28,561.96

Finding the Fourth Proportional to 52,435.52, 72,361.20 and 28,561.96

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Solution

The fourth proportional to 52,435.52, 72,361.20 and 28,561.96 is: 39,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,435.52 : 72,361.20 = 28,561.96 : x
  2. Step 2: Convert to fraction form
    52,435.52/72,361.20 = 28,561.96/x
  3. Step 3: Cross multiply
    52,435.52x = 72,361.20 × 28,561.96
  4. Step 4: Simplify right side
    52,435.52x = 2,066,777,699.95
  5. Step 5: Solve for x
    x = 2,066,777,699.95/52,435.52
  6. Step 6: Final answer
    x = 39,415.60

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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.