Home / 35,718.20-49,289.28-19,802.48

Finding the Fourth Proportional to 35,718.20, 49,289.28 and 19,802.48

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Solution

The fourth proportional to 35,718.20, 49,289.28 and 19,802.48 is: 27,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,718.20 : 49,289.28 = 19,802.48 : x
  2. Step 2: Convert to fraction form
    35,718.20/49,289.28 = 19,802.48/x
  3. Step 3: Cross multiply
    35,718.20x = 49,289.28 × 19,802.48
  4. Step 4: Simplify right side
    35,718.20x = 976,049,981.41
  5. Step 5: Solve for x
    x = 976,049,981.41/35,718.20
  6. Step 6: Final answer
    x = 27,326.40

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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.