Home / 43,730.07-65,579.01-15,642.51

Finding the Fourth Proportional to 43,730.07, 65,579.01 and 15,642.51

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Solution

The fourth proportional to 43,730.07, 65,579.01 and 15,642.51 is: 23,458.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,730.07 : 65,579.01 = 15,642.51 : x
  2. Step 2: Convert to fraction form
    43,730.07/65,579.01 = 15,642.51/x
  3. Step 3: Cross multiply
    43,730.07x = 65,579.01 × 15,642.51
  4. Step 4: Simplify right side
    43,730.07x = 1,025,820,319.72
  5. Step 5: Solve for x
    x = 1,025,820,319.72/43,730.07
  6. Step 6: Final answer
    x = 23,458.01

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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.