Home / 49,459.21-74,262.93-42,816.20

Finding the Fourth Proportional to 49,459.21, 74,262.93 and 42,816.20

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Solution

The fourth proportional to 49,459.21, 74,262.93 and 42,816.20 is: 64,288.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,459.21 : 74,262.93 = 42,816.20 : x
  2. Step 2: Convert to fraction form
    49,459.21/74,262.93 = 42,816.20/x
  3. Step 3: Cross multiply
    49,459.21x = 74,262.93 × 42,816.20
  4. Step 4: Simplify right side
    49,459.21x = 3,179,656,092.15
  5. Step 5: Solve for x
    x = 3,179,656,092.15/49,459.21
  6. Step 6: Final answer
    x = 64,288.46

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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.