Home / 47,616.04-65,680.23-30,642.49

Finding the Fourth Proportional to 47,616.04, 65,680.23 and 30,642.49

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Solution

The fourth proportional to 47,616.04, 65,680.23 and 30,642.49 is: 42,267.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,616.04 : 65,680.23 = 30,642.49 : x
  2. Step 2: Convert to fraction form
    47,616.04/65,680.23 = 30,642.49/x
  3. Step 3: Cross multiply
    47,616.04x = 65,680.23 × 30,642.49
  4. Step 4: Simplify right side
    47,616.04x = 2,012,605,790.97
  5. Step 5: Solve for x
    x = 2,012,605,790.97/47,616.04
  6. Step 6: Final answer
    x = 42,267.39

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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.