Home / 43,569.46-65,362.70-13,985.02

Finding the Fourth Proportional to 43,569.46, 65,362.70 and 13,985.02

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Solution

The fourth proportional to 43,569.46, 65,362.70 and 13,985.02 is: 20,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,569.46 : 65,362.70 = 13,985.02 : x
  2. Step 2: Convert to fraction form
    43,569.46/65,362.70 = 13,985.02/x
  3. Step 3: Cross multiply
    43,569.46x = 65,362.70 × 13,985.02
  4. Step 4: Simplify right side
    43,569.46x = 914,098,666.75
  5. Step 5: Solve for x
    x = 914,098,666.75/43,569.46
  6. Step 6: Final answer
    x = 20,980.26

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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.