Home / 46,403.04-69,632.16-20,107.20

Finding the Fourth Proportional to 46,403.04, 69,632.16 and 20,107.20

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Solution

The fourth proportional to 46,403.04, 69,632.16 and 20,107.20 is: 30,172.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,403.04 : 69,632.16 = 20,107.20 : x
  2. Step 2: Convert to fraction form
    46,403.04/69,632.16 = 20,107.20/x
  3. Step 3: Cross multiply
    46,403.04x = 69,632.16 × 20,107.20
  4. Step 4: Simplify right side
    46,403.04x = 1,400,107,767.55
  5. Step 5: Solve for x
    x = 1,400,107,767.55/46,403.04
  6. Step 6: Final answer
    x = 30,172.76

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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.