Home / 35,320.64-48,742.51-19,406.12

Finding the Fourth Proportional to 35,320.64, 48,742.51 and 19,406.12

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Solution

The fourth proportional to 35,320.64, 48,742.51 and 19,406.12 is: 26,780.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,320.64 : 48,742.51 = 19,406.12 : x
  2. Step 2: Convert to fraction form
    35,320.64/48,742.51 = 19,406.12/x
  3. Step 3: Cross multiply
    35,320.64x = 48,742.51 × 19,406.12
  4. Step 4: Simplify right side
    35,320.64x = 945,902,998.16
  5. Step 5: Solve for x
    x = 945,902,998.16/35,320.64
  6. Step 6: Final answer
    x = 26,780.46

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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.