Home / 51,065.46-70,468.64-28,403.81

Finding the Fourth Proportional to 51,065.46, 70,468.64 and 28,403.81

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Solution

The fourth proportional to 51,065.46, 70,468.64 and 28,403.81 is: 39,196.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,065.46 : 70,468.64 = 28,403.81 : x
  2. Step 2: Convert to fraction form
    51,065.46/70,468.64 = 28,403.81/x
  3. Step 3: Cross multiply
    51,065.46x = 70,468.64 × 28,403.81
  4. Step 4: Simplify right side
    51,065.46x = 2,001,577,861.52
  5. Step 5: Solve for x
    x = 2,001,577,861.52/51,065.46
  6. Step 6: Final answer
    x = 39,196.32

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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.