Home / 43,317.82-64,957.29-19,931.50

Finding the Fourth Proportional to 43,317.82, 64,957.29 and 19,931.50

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Solution

The fourth proportional to 43,317.82, 64,957.29 and 19,931.50 is: 29,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,317.82 : 64,957.29 = 19,931.50 : x
  2. Step 2: Convert to fraction form
    43,317.82/64,957.29 = 19,931.50/x
  3. Step 3: Cross multiply
    43,317.82x = 64,957.29 × 19,931.50
  4. Step 4: Simplify right side
    43,317.82x = 1,294,696,225.64
  5. Step 5: Solve for x
    x = 1,294,696,225.64/43,317.82
  6. Step 6: Final answer
    x = 29,888.31

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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.