Home / 43,126.02-64,667.16-19,732.40

Finding the Fourth Proportional to 43,126.02, 64,667.16 and 19,732.40

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Solution

The fourth proportional to 43,126.02, 64,667.16 and 19,732.40 is: 29,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,126.02 : 64,667.16 = 19,732.40 : x
  2. Step 2: Convert to fraction form
    43,126.02/64,667.16 = 19,732.40/x
  3. Step 3: Cross multiply
    43,126.02x = 64,667.16 × 19,732.40
  4. Step 4: Simplify right side
    43,126.02x = 1,276,038,267.98
  5. Step 5: Solve for x
    x = 1,276,038,267.98/43,126.02
  6. Step 6: Final answer
    x = 29,588.59

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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.