Home / 42,784.20-64,176.30-41,690.70

Finding the Fourth Proportional to 42,784.20, 64,176.30 and 41,690.70

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Solution

The fourth proportional to 42,784.20, 64,176.30 and 41,690.70 is: 62,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,784.20 : 64,176.30 = 41,690.70 : x
  2. Step 2: Convert to fraction form
    42,784.20/64,176.30 = 41,690.70/x
  3. Step 3: Cross multiply
    42,784.20x = 64,176.30 × 41,690.70
  4. Step 4: Simplify right side
    42,784.20x = 2,675,554,870.41
  5. Step 5: Solve for x
    x = 2,675,554,870.41/42,784.20
  6. Step 6: Final answer
    x = 62,536.05

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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.