Home / 51,384.52-70,909.14-28,723.55

Finding the Fourth Proportional to 51,384.52, 70,909.14 and 28,723.55

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Solution

The fourth proportional to 51,384.52, 70,909.14 and 28,723.55 is: 39,637.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,384.52 : 70,909.14 = 28,723.55 : x
  2. Step 2: Convert to fraction form
    51,384.52/70,909.14 = 28,723.55/x
  3. Step 3: Cross multiply
    51,384.52x = 70,909.14 × 28,723.55
  4. Step 4: Simplify right side
    51,384.52x = 2,036,762,405.52
  5. Step 5: Solve for x
    x = 2,036,762,405.52/51,384.52
  6. Step 6: Final answer
    x = 39,637.67

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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.