Home / 30,386.65-45,579.77-16,353.28

Finding the Fourth Proportional to 30,386.65, 45,579.77 and 16,353.28

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Solution

The fourth proportional to 30,386.65, 45,579.77 and 16,353.28 is: 24,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.65 : 45,579.77 = 16,353.28 : x
  2. Step 2: Convert to fraction form
    30,386.65/45,579.77 = 16,353.28/x
  3. Step 3: Cross multiply
    30,386.65x = 45,579.77 × 16,353.28
  4. Step 4: Simplify right side
    30,386.65x = 745,378,741.15
  5. Step 5: Solve for x
    x = 745,378,741.15/30,386.65
  6. Step 6: Final answer
    x = 24,529.81

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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.