Home / 35,403.61-48,855.12-19,485.02

Finding the Fourth Proportional to 35,403.61, 48,855.12 and 19,485.02

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Solution

The fourth proportional to 35,403.61, 48,855.12 and 19,485.02 is: 26,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,403.61 : 48,855.12 = 19,485.02 : x
  2. Step 2: Convert to fraction form
    35,403.61/48,855.12 = 19,485.02/x
  3. Step 3: Cross multiply
    35,403.61x = 48,855.12 × 19,485.02
  4. Step 4: Simplify right side
    35,403.61x = 951,942,990.30
  5. Step 5: Solve for x
    x = 951,942,990.30/35,403.61
  6. Step 6: Final answer
    x = 26,888.30

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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.