Home / 30,933.86-46,400.64-10,157.36

Finding the Fourth Proportional to 30,933.86, 46,400.64 and 10,157.36

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Solution

The fourth proportional to 30,933.86, 46,400.64 and 10,157.36 is: 15,235.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,933.86 : 46,400.64 = 10,157.36 : x
  2. Step 2: Convert to fraction form
    30,933.86/46,400.64 = 10,157.36/x
  3. Step 3: Cross multiply
    30,933.86x = 46,400.64 × 10,157.36
  4. Step 4: Simplify right side
    30,933.86x = 471,308,004.71
  5. Step 5: Solve for x
    x = 471,308,004.71/30,933.86
  6. Step 6: Final answer
    x = 15,235.99

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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.