Home / 30,048.47-45,072.65-11,332.71

Finding the Fourth Proportional to 30,048.47, 45,072.65 and 11,332.71

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Solution

The fourth proportional to 30,048.47, 45,072.65 and 11,332.71 is: 16,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,048.47 : 45,072.65 = 11,332.71 : x
  2. Step 2: Convert to fraction form
    30,048.47/45,072.65 = 11,332.71/x
  3. Step 3: Cross multiply
    30,048.47x = 45,072.65 × 11,332.71
  4. Step 4: Simplify right side
    30,048.47x = 510,795,299.71
  5. Step 5: Solve for x
    x = 510,795,299.71/30,048.47
  6. Step 6: Final answer
    x = 16,999.05

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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.