Home / 35,482.12-53,162.93-21,412.58

Finding the Fourth Proportional to 35,482.12, 53,162.93 and 21,412.58

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Solution

The fourth proportional to 35,482.12, 53,162.93 and 21,412.58 is: 32,082.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,482.12 : 53,162.93 = 21,412.58 : x
  2. Step 2: Convert to fraction form
    35,482.12/53,162.93 = 21,412.58/x
  3. Step 3: Cross multiply
    35,482.12x = 53,162.93 × 21,412.58
  4. Step 4: Simplify right side
    35,482.12x = 1,138,355,777.78
  5. Step 5: Solve for x
    x = 1,138,355,777.78/35,482.12
  6. Step 6: Final answer
    x = 32,082.52

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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.