Home / 35,530.52-49,026.48-20,420.24

Finding the Fourth Proportional to 35,530.52, 49,026.48 and 20,420.24

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Solution

The fourth proportional to 35,530.52, 49,026.48 and 20,420.24 is: 28,176.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,530.52 : 49,026.48 = 20,420.24 : x
  2. Step 2: Convert to fraction form
    35,530.52/49,026.48 = 20,420.24/x
  3. Step 3: Cross multiply
    35,530.52x = 49,026.48 × 20,420.24
  4. Step 4: Simplify right side
    35,530.52x = 1,001,132,487.96
  5. Step 5: Solve for x
    x = 1,001,132,487.96/35,530.52
  6. Step 6: Final answer
    x = 28,176.69

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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.