Home / 30,391.58-45,607.32-10,669.64

Finding the Fourth Proportional to 30,391.58, 45,607.32 and 10,669.64

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Solution

The fourth proportional to 30,391.58, 45,607.32 and 10,669.64 is: 16,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,391.58 : 45,607.32 = 10,669.64 : x
  2. Step 2: Convert to fraction form
    30,391.58/45,607.32 = 10,669.64/x
  3. Step 3: Cross multiply
    30,391.58x = 45,607.32 × 10,669.64
  4. Step 4: Simplify right side
    30,391.58x = 486,613,457.73
  5. Step 5: Solve for x
    x = 486,613,457.73/30,391.58
  6. Step 6: Final answer
    x = 16,011.46

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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.