Home / 46,605.53-69,945.19-20,328.72

Finding the Fourth Proportional to 46,605.53, 69,945.19 and 20,328.72

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Solution

The fourth proportional to 46,605.53, 69,945.19 and 20,328.72 is: 30,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,605.53 : 69,945.19 = 20,328.72 : x
  2. Step 2: Convert to fraction form
    46,605.53/69,945.19 = 20,328.72/x
  3. Step 3: Cross multiply
    46,605.53x = 69,945.19 × 20,328.72
  4. Step 4: Simplify right side
    46,605.53x = 1,421,896,233.68
  5. Step 5: Solve for x
    x = 1,421,896,233.68/46,605.53
  6. Step 6: Final answer
    x = 30,509.18

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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.