Home / 42,689.03-64,041.84-16,391.84

Finding the Fourth Proportional to 42,689.03, 64,041.84 and 16,391.84

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Solution

The fourth proportional to 42,689.03, 64,041.84 and 16,391.84 is: 24,590.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,689.03 : 64,041.84 = 16,391.84 : x
  2. Step 2: Convert to fraction form
    42,689.03/64,041.84 = 16,391.84/x
  3. Step 3: Cross multiply
    42,689.03x = 64,041.84 × 16,391.84
  4. Step 4: Simplify right side
    42,689.03x = 1,049,763,274.38
  5. Step 5: Solve for x
    x = 1,049,763,274.38/42,689.03
  6. Step 6: Final answer
    x = 24,590.94

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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.