Home / 53,880.24-74,352.90-30,005.70

Finding the Fourth Proportional to 53,880.24, 74,352.90 and 30,005.70

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Solution

The fourth proportional to 53,880.24, 74,352.90 and 30,005.70 is: 41,406.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,880.24 : 74,352.90 = 30,005.70 : x
  2. Step 2: Convert to fraction form
    53,880.24/74,352.90 = 30,005.70/x
  3. Step 3: Cross multiply
    53,880.24x = 74,352.90 × 30,005.70
  4. Step 4: Simplify right side
    53,880.24x = 2,231,010,811.53
  5. Step 5: Solve for x
    x = 2,231,010,811.53/53,880.24
  6. Step 6: Final answer
    x = 41,406.85

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1.5x scale

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.