Home / 48,643.11-67,120.95-28,224.63

Finding the Fourth Proportional to 48,643.11, 67,120.95 and 28,224.63

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Solution

The fourth proportional to 48,643.11, 67,120.95 and 28,224.63 is: 38,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,643.11 : 67,120.95 = 28,224.63 : x
  2. Step 2: Convert to fraction form
    48,643.11/67,120.95 = 28,224.63/x
  3. Step 3: Cross multiply
    48,643.11x = 67,120.95 × 28,224.63
  4. Step 4: Simplify right side
    48,643.11x = 1,894,463,979.00
  5. Step 5: Solve for x
    x = 1,894,463,979.00/48,643.11
  6. Step 6: Final answer
    x = 38,946.19

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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.