Home / 42,365.70-63,507.24-20,173.12

Finding the Fourth Proportional to 42,365.70, 63,507.24 and 20,173.12

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Solution

The fourth proportional to 42,365.70, 63,507.24 and 20,173.12 is: 30,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,365.70 : 63,507.24 = 20,173.12 : x
  2. Step 2: Convert to fraction form
    42,365.70/63,507.24 = 20,173.12/x
  3. Step 3: Cross multiply
    42,365.70x = 63,507.24 × 20,173.12
  4. Step 4: Simplify right side
    42,365.70x = 1,281,139,173.39
  5. Step 5: Solve for x
    x = 1,281,139,173.39/42,365.70
  6. Step 6: Final answer
    x = 30,240.01

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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.