Home / 30,346.65-45,519.98-19,849.05

Finding the Fourth Proportional to 30,346.65, 45,519.98 and 19,849.05

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Solution

The fourth proportional to 30,346.65, 45,519.98 and 19,849.05 is: 29,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346.65 : 45,519.98 = 19,849.05 : x
  2. Step 2: Convert to fraction form
    30,346.65/45,519.98 = 19,849.05/x
  3. Step 3: Cross multiply
    30,346.65x = 45,519.98 × 19,849.05
  4. Step 4: Simplify right side
    30,346.65x = 903,528,259.77
  5. Step 5: Solve for x
    x = 903,528,259.77/30,346.65
  6. Step 6: Final answer
    x = 29,773.58

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1.5x scale

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.