Home / 35,305.90-53,151.20-30,484.78

Finding the Fourth Proportional to 35,305.90, 53,151.20 and 30,484.78

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Solution

The fourth proportional to 35,305.90, 53,151.20 and 30,484.78 is: 45,893.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,305.90 : 53,151.20 = 30,484.78 : x
  2. Step 2: Convert to fraction form
    35,305.90/53,151.20 = 30,484.78/x
  3. Step 3: Cross multiply
    35,305.90x = 53,151.20 × 30,484.78
  4. Step 4: Simplify right side
    35,305.90x = 1,620,302,638.74
  5. Step 5: Solve for x
    x = 1,620,302,638.74/35,305.90
  6. Step 6: Final answer
    x = 45,893.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.