Home / 35,509.10-53,259.72-12,712.04

Finding the Fourth Proportional to 35,509.10, 53,259.72 and 12,712.04

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Solution

The fourth proportional to 35,509.10, 53,259.72 and 12,712.04 is: 19,066.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,509.10 : 53,259.72 = 12,712.04 : x
  2. Step 2: Convert to fraction form
    35,509.10/53,259.72 = 12,712.04/x
  3. Step 3: Cross multiply
    35,509.10x = 53,259.72 × 12,712.04
  4. Step 4: Simplify right side
    35,509.10x = 677,039,776.51
  5. Step 5: Solve for x
    x = 677,039,776.51/35,509.10
  6. Step 6: Final answer
    x = 19,066.66

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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.