Home / 53,077.87-79,630.58-15,639.27

Finding the Fourth Proportional to 53,077.87, 79,630.58 and 15,639.27

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Solution

The fourth proportional to 53,077.87, 79,630.58 and 15,639.27 is: 23,462.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,077.87 : 79,630.58 = 15,639.27 : x
  2. Step 2: Convert to fraction form
    53,077.87/79,630.58 = 15,639.27/x
  3. Step 3: Cross multiply
    53,077.87x = 79,630.58 × 15,639.27
  4. Step 4: Simplify right side
    53,077.87x = 1,245,363,664.53
  5. Step 5: Solve for x
    x = 1,245,363,664.53/53,077.87
  6. Step 6: Final answer
    x = 23,462.95

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1.5x scale

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.