Home / 30,277.12-45,421.76-10,550.38

Finding the Fourth Proportional to 30,277.12, 45,421.76 and 10,550.38

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Solution

The fourth proportional to 30,277.12, 45,421.76 and 10,550.38 is: 15,827.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,277.12 : 45,421.76 = 10,550.38 : x
  2. Step 2: Convert to fraction form
    30,277.12/45,421.76 = 10,550.38/x
  3. Step 3: Cross multiply
    30,277.12x = 45,421.76 × 10,550.38
  4. Step 4: Simplify right side
    30,277.12x = 479,216,828.27
  5. Step 5: Solve for x
    x = 479,216,828.27/30,277.12
  6. Step 6: Final answer
    x = 15,827.69

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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.