Home / 52,541.12-72,507-28,668.32

Finding the Fourth Proportional to 52,541.12, 72,507 and 28,668.32

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Solution

The fourth proportional to 52,541.12, 72,507 and 28,668.32 is: 39,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,541.12 : 72,507 = 28,668.32 : x
  2. Step 2: Convert to fraction form
    52,541.12/72,507 = 28,668.32/x
  3. Step 3: Cross multiply
    52,541.12x = 72,507 × 28,668.32
  4. Step 4: Simplify right side
    52,541.12x = 2,078,653,878.24
  5. Step 5: Solve for x
    x = 2,078,653,878.24/52,541.12
  6. Step 6: Final answer
    x = 39,562.42

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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.