Home / 46,605.78-69,945.57-20,328.97

Finding the Fourth Proportional to 46,605.78, 69,945.57 and 20,328.97

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Solution

The fourth proportional to 46,605.78, 69,945.57 and 20,328.97 is: 30,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,605.78 : 69,945.57 = 20,328.97 : x
  2. Step 2: Convert to fraction form
    46,605.78/69,945.57 = 20,328.97/x
  3. Step 3: Cross multiply
    46,605.78x = 69,945.57 × 20,328.97
  4. Step 4: Simplify right side
    46,605.78x = 1,421,921,343.34
  5. Step 5: Solve for x
    x = 1,421,921,343.34/46,605.78
  6. Step 6: Final answer
    x = 30,509.55

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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.