Home / 35,523.73-49,024.38-20,421.28

Finding the Fourth Proportional to 35,523.73, 49,024.38 and 20,421.28

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Solution

The fourth proportional to 35,523.73, 49,024.38 and 20,421.28 is: 28,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,523.73 : 49,024.38 = 20,421.28 : x
  2. Step 2: Convert to fraction form
    35,523.73/49,024.38 = 20,421.28/x
  3. Step 3: Cross multiply
    35,523.73x = 49,024.38 × 20,421.28
  4. Step 4: Simplify right side
    35,523.73x = 1,001,140,590.81
  5. Step 5: Solve for x
    x = 1,001,140,590.81/35,523.73
  6. Step 6: Final answer
    x = 28,182.30

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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.