Home / 47,380.81-71,070.86-19,294.26

Finding the Fourth Proportional to 47,380.81, 71,070.86 and 19,294.26

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Solution

The fourth proportional to 47,380.81, 71,070.86 and 19,294.26 is: 28,941.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,380.81 : 71,070.86 = 19,294.26 : x
  2. Step 2: Convert to fraction form
    47,380.81/71,070.86 = 19,294.26/x
  3. Step 3: Cross multiply
    47,380.81x = 71,070.86 × 19,294.26
  4. Step 4: Simplify right side
    47,380.81x = 1,371,259,699.50
  5. Step 5: Solve for x
    x = 1,371,259,699.50/47,380.81
  6. Step 6: Final answer
    x = 28,941.25

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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.