Home / 35,739.39-49,320-19,823.79

Finding the Fourth Proportional to 35,739.39, 49,320 and 19,823.79

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Solution

The fourth proportional to 35,739.39, 49,320 and 19,823.79 is: 27,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,739.39 : 49,320 = 19,823.79 : x
  2. Step 2: Convert to fraction form
    35,739.39/49,320 = 19,823.79/x
  3. Step 3: Cross multiply
    35,739.39x = 49,320 × 19,823.79
  4. Step 4: Simplify right side
    35,739.39x = 977,709,322.80
  5. Step 5: Solve for x
    x = 977,709,322.80/35,739.39
  6. Step 6: Final answer
    x = 27,356.63

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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.