Home / 35,643.30-53,464.95-30,005.70

Finding the Fourth Proportional to 35,643.30, 53,464.95 and 30,005.70

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Solution

The fourth proportional to 35,643.30, 53,464.95 and 30,005.70 is: 45,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,643.30 : 53,464.95 = 30,005.70 : x
  2. Step 2: Convert to fraction form
    35,643.30/53,464.95 = 30,005.70/x
  3. Step 3: Cross multiply
    35,643.30x = 53,464.95 × 30,005.70
  4. Step 4: Simplify right side
    35,643.30x = 1,604,253,250.22
  5. Step 5: Solve for x
    x = 1,604,253,250.22/35,643.30
  6. Step 6: Final answer
    x = 45,008.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.