Home / 43,242.13-64,887.81-28,458.01

Finding the Fourth Proportional to 43,242.13, 64,887.81 and 28,458.01

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Solution

The fourth proportional to 43,242.13, 64,887.81 and 28,458.01 is: 42,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,242.13 : 64,887.81 = 28,458.01 : x
  2. Step 2: Convert to fraction form
    43,242.13/64,887.81 = 28,458.01/x
  3. Step 3: Cross multiply
    43,242.13x = 64,887.81 × 28,458.01
  4. Step 4: Simplify right side
    43,242.13x = 1,846,578,102.75
  5. Step 5: Solve for x
    x = 1,846,578,102.75/43,242.13
  6. Step 6: Final answer
    x = 42,703.21

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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.