Home / 35,319.11-48,740.18-19,403.21

Finding the Fourth Proportional to 35,319.11, 48,740.18 and 19,403.21

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Solution

The fourth proportional to 35,319.11, 48,740.18 and 19,403.21 is: 26,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,319.11 : 48,740.18 = 19,403.21 : x
  2. Step 2: Convert to fraction form
    35,319.11/48,740.18 = 19,403.21/x
  3. Step 3: Cross multiply
    35,319.11x = 48,740.18 × 19,403.21
  4. Step 4: Simplify right side
    35,319.11x = 945,715,972.81
  5. Step 5: Solve for x
    x = 945,715,972.81/35,319.11
  6. Step 6: Final answer
    x = 26,776.33

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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.