Home / 30,763.94-42,451.56-17,332.79

Finding the Fourth Proportional to 30,763.94, 42,451.56 and 17,332.79

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Solution

The fourth proportional to 30,763.94, 42,451.56 and 17,332.79 is: 23,917.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,763.94 : 42,451.56 = 17,332.79 : x
  2. Step 2: Convert to fraction form
    30,763.94/42,451.56 = 17,332.79/x
  3. Step 3: Cross multiply
    30,763.94x = 42,451.56 × 17,332.79
  4. Step 4: Simplify right side
    30,763.94x = 735,803,762.39
  5. Step 5: Solve for x
    x = 735,803,762.39/30,763.94
  6. Step 6: Final answer
    x = 23,917.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.