Home / 42,999.64-64,433.70-18,026.07

Finding the Fourth Proportional to 42,999.64, 64,433.70 and 18,026.07

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Solution

The fourth proportional to 42,999.64, 64,433.70 and 18,026.07 is: 27,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,999.64 : 64,433.70 = 18,026.07 : x
  2. Step 2: Convert to fraction form
    42,999.64/64,433.70 = 18,026.07/x
  3. Step 3: Cross multiply
    42,999.64x = 64,433.70 × 18,026.07
  4. Step 4: Simplify right side
    42,999.64x = 1,161,486,386.56
  5. Step 5: Solve for x
    x = 1,161,486,386.56/42,999.64
  6. Step 6: Final answer
    x = 27,011.54

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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.