Home / 75,022.08-112,588.48-35,579.28

Finding the Fourth Proportional to 75,022.08, 112,588.48 and 35,579.28

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Solution

The fourth proportional to 75,022.08, 112,588.48 and 35,579.28 is: 53,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,022.08 : 112,588.48 = 35,579.28 : x
  2. Step 2: Convert to fraction form
    75,022.08/112,588.48 = 35,579.28/x
  3. Step 3: Cross multiply
    75,022.08x = 112,588.48 × 35,579.28
  4. Step 4: Simplify right side
    75,022.08x = 4,005,817,054.69
  5. Step 5: Solve for x
    x = 4,005,817,054.69/75,022.08
  6. Step 6: Final answer
    x = 53,395.17

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1.5x scale

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.