Home / 51,384.77-70,909.49-28,723.80

Finding the Fourth Proportional to 51,384.77, 70,909.49 and 28,723.80

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Solution

The fourth proportional to 51,384.77, 70,909.49 and 28,723.80 is: 39,638.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,384.77 : 70,909.49 = 28,723.80 : x
  2. Step 2: Convert to fraction form
    51,384.77/70,909.49 = 28,723.80/x
  3. Step 3: Cross multiply
    51,384.77x = 70,909.49 × 28,723.80
  4. Step 4: Simplify right side
    51,384.77x = 2,036,790,008.86
  5. Step 5: Solve for x
    x = 2,036,790,008.86/51,384.77
  6. Step 6: Final answer
    x = 39,638.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.