Home / 35,306.40-53,151.96-30,485.28

Finding the Fourth Proportional to 35,306.40, 53,151.96 and 30,485.28

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Solution

The fourth proportional to 35,306.40, 53,151.96 and 30,485.28 is: 45,894.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,306.40 : 53,151.96 = 30,485.28 : x
  2. Step 2: Convert to fraction form
    35,306.40/53,151.96 = 30,485.28/x
  3. Step 3: Cross multiply
    35,306.40x = 53,151.96 × 30,485.28
  4. Step 4: Simplify right side
    35,306.40x = 1,620,352,383.15
  5. Step 5: Solve for x
    x = 1,620,352,383.15/35,306.40
  6. Step 6: Final answer
    x = 45,894.01

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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.