Home / 40,830.90-61,192.57-38,167.32

Finding the Fourth Proportional to 40,830.90, 61,192.57 and 38,167.32

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Solution

The fourth proportional to 40,830.90, 61,192.57 and 38,167.32 is: 57,200.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,830.90 : 61,192.57 = 38,167.32 : x
  2. Step 2: Convert to fraction form
    40,830.90/61,192.57 = 38,167.32/x
  3. Step 3: Cross multiply
    40,830.90x = 61,192.57 × 38,167.32
  4. Step 4: Simplify right side
    40,830.90x = 2,335,556,400.81
  5. Step 5: Solve for x
    x = 2,335,556,400.81/40,830.90
  6. Step 6: Final answer
    x = 57,200.71

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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.