Home / 43,130.65-64,674.09-19,737.04

Finding the Fourth Proportional to 43,130.65, 64,674.09 and 19,737.04

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Solution

The fourth proportional to 43,130.65, 64,674.09 and 19,737.04 is: 29,595.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,130.65 : 64,674.09 = 19,737.04 : x
  2. Step 2: Convert to fraction form
    43,130.65/64,674.09 = 19,737.04/x
  3. Step 3: Cross multiply
    43,130.65x = 64,674.09 × 19,737.04
  4. Step 4: Simplify right side
    43,130.65x = 1,276,475,101.29
  5. Step 5: Solve for x
    x = 1,276,475,101.29/43,130.65
  6. Step 6: Final answer
    x = 29,595.55

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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.