Home / 52,398.88-72,308.18-28,525.64

Finding the Fourth Proportional to 52,398.88, 72,308.18 and 28,525.64

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Solution

The fourth proportional to 52,398.88, 72,308.18 and 28,525.64 is: 39,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,398.88 : 72,308.18 = 28,525.64 : x
  2. Step 2: Convert to fraction form
    52,398.88/72,308.18 = 28,525.64/x
  3. Step 3: Cross multiply
    52,398.88x = 72,308.18 × 28,525.64
  4. Step 4: Simplify right side
    52,398.88x = 2,062,636,821.51
  5. Step 5: Solve for x
    x = 2,062,636,821.51/52,398.88
  6. Step 6: Final answer
    x = 39,364.14

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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.