Home / 42,763.04-64,144.55-19,064.46

Finding the Fourth Proportional to 42,763.04, 64,144.55 and 19,064.46

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Solution

The fourth proportional to 42,763.04, 64,144.55 and 19,064.46 is: 28,596.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,763.04 : 64,144.55 = 19,064.46 : x
  2. Step 2: Convert to fraction form
    42,763.04/64,144.55 = 19,064.46/x
  3. Step 3: Cross multiply
    42,763.04x = 64,144.55 × 19,064.46
  4. Step 4: Simplify right side
    42,763.04x = 1,222,881,207.69
  5. Step 5: Solve for x
    x = 1,222,881,207.69/42,763.04
  6. Step 6: Final answer
    x = 28,596.69

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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.