Home / 49,762.51-74,643.28-20,173.30

Finding the Fourth Proportional to 49,762.51, 74,643.28 and 20,173.30

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Solution

The fourth proportional to 49,762.51, 74,643.28 and 20,173.30 is: 30,259.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,762.51 : 74,643.28 = 20,173.30 : x
  2. Step 2: Convert to fraction form
    49,762.51/74,643.28 = 20,173.30/x
  3. Step 3: Cross multiply
    49,762.51x = 74,643.28 × 20,173.30
  4. Step 4: Simplify right side
    49,762.51x = 1,505,801,043.38
  5. Step 5: Solve for x
    x = 1,505,801,043.38/49,762.51
  6. Step 6: Final answer
    x = 30,259.75

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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.