Home / 46,577.16-69,865.56-20,278.80

Finding the Fourth Proportional to 46,577.16, 69,865.56 and 20,278.80

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Solution

The fourth proportional to 46,577.16, 69,865.56 and 20,278.80 is: 30,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,577.16 : 69,865.56 = 20,278.80 : x
  2. Step 2: Convert to fraction form
    46,577.16/69,865.56 = 20,278.80/x
  3. Step 3: Cross multiply
    46,577.16x = 69,865.56 × 20,278.80
  4. Step 4: Simplify right side
    46,577.16x = 1,416,789,718.13
  5. Step 5: Solve for x
    x = 1,416,789,718.13/46,577.16
  6. Step 6: Final answer
    x = 30,418.12

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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.