Home / 53,315.91-73,567.23-31,509.15

Finding the Fourth Proportional to 53,315.91, 73,567.23 and 31,509.15

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Solution

The fourth proportional to 53,315.91, 73,567.23 and 31,509.15 is: 43,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,315.91 : 73,567.23 = 31,509.15 : x
  2. Step 2: Convert to fraction form
    53,315.91/73,567.23 = 31,509.15/x
  3. Step 3: Cross multiply
    53,315.91x = 73,567.23 × 31,509.15
  4. Step 4: Simplify right side
    53,315.91x = 2,318,040,993.55
  5. Step 5: Solve for x
    x = 2,318,040,993.55/53,315.91
  6. Step 6: Final answer
    x = 43,477.47

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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.