Home / 30,756.96-42,444.41-17,332.52

Finding the Fourth Proportional to 30,756.96, 42,444.41 and 17,332.52

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Solution

The fourth proportional to 30,756.96, 42,444.41 and 17,332.52 is: 23,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,756.96 : 42,444.41 = 17,332.52 : x
  2. Step 2: Convert to fraction form
    30,756.96/42,444.41 = 17,332.52/x
  3. Step 3: Cross multiply
    30,756.96x = 42,444.41 × 17,332.52
  4. Step 4: Simplify right side
    30,756.96x = 735,668,734.66
  5. Step 5: Solve for x
    x = 735,668,734.66/30,756.96
  6. Step 6: Final answer
    x = 23,918.77

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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.