Home / 30,343.77-45,526.47-15,559.65

Finding the Fourth Proportional to 30,343.77, 45,526.47 and 15,559.65

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Solution

The fourth proportional to 30,343.77, 45,526.47 and 15,559.65 is: 23,345.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.77 : 45,526.47 = 15,559.65 : x
  2. Step 2: Convert to fraction form
    30,343.77/45,526.47 = 15,559.65/x
  3. Step 3: Cross multiply
    30,343.77x = 45,526.47 × 15,559.65
  4. Step 4: Simplify right side
    30,343.77x = 708,375,938.94
  5. Step 5: Solve for x
    x = 708,375,938.94/30,343.77
  6. Step 6: Final answer
    x = 23,345.02

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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.