Home / 35,150.72-48,507.63-20,045.84

Finding the Fourth Proportional to 35,150.72, 48,507.63 and 20,045.84

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Solution

The fourth proportional to 35,150.72, 48,507.63 and 20,045.84 is: 27,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,150.72 : 48,507.63 = 20,045.84 : x
  2. Step 2: Convert to fraction form
    35,150.72/48,507.63 = 20,045.84/x
  3. Step 3: Cross multiply
    35,150.72x = 48,507.63 × 20,045.84
  4. Step 4: Simplify right side
    35,150.72x = 972,376,189.76
  5. Step 5: Solve for x
    x = 972,376,189.76/35,150.72
  6. Step 6: Final answer
    x = 27,663.05

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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.