Home / 42,623.89-63,933.52-13,041.72

Finding the Fourth Proportional to 42,623.89, 63,933.52 and 13,041.72

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Solution

The fourth proportional to 42,623.89, 63,933.52 and 13,041.72 is: 19,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,623.89 : 63,933.52 = 13,041.72 : x
  2. Step 2: Convert to fraction form
    42,623.89/63,933.52 = 13,041.72/x
  3. Step 3: Cross multiply
    42,623.89x = 63,933.52 × 13,041.72
  4. Step 4: Simplify right side
    42,623.89x = 833,803,066.45
  5. Step 5: Solve for x
    x = 833,803,066.45/42,623.89
  6. Step 6: Final answer
    x = 19,561.87

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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.