Home / 51,269.64-70,752-28,607.25

Finding the Fourth Proportional to 51,269.64, 70,752 and 28,607.25

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Solution

The fourth proportional to 51,269.64, 70,752 and 28,607.25 is: 39,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,269.64 : 70,752 = 28,607.25 : x
  2. Step 2: Convert to fraction form
    51,269.64/70,752 = 28,607.25/x
  3. Step 3: Cross multiply
    51,269.64x = 70,752 × 28,607.25
  4. Step 4: Simplify right side
    51,269.64x = 2,024,020,152
  5. Step 5: Solve for x
    x = 2,024,020,152/51,269.64
  6. Step 6: Final answer
    x = 39,477.95

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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.