Home / 35,645.76-49,194.81-20,538.99

Finding the Fourth Proportional to 35,645.76, 49,194.81 and 20,538.99

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Solution

The fourth proportional to 35,645.76, 49,194.81 and 20,538.99 is: 28,345.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,645.76 : 49,194.81 = 20,538.99 : x
  2. Step 2: Convert to fraction form
    35,645.76/49,194.81 = 20,538.99/x
  3. Step 3: Cross multiply
    35,645.76x = 49,194.81 × 20,538.99
  4. Step 4: Simplify right side
    35,645.76x = 1,010,411,710.64
  5. Step 5: Solve for x
    x = 1,010,411,710.64/35,645.76
  6. Step 6: Final answer
    x = 28,345.92

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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.