Home / 38,632.17-53,303.26-21,865.17

Finding the Fourth Proportional to 38,632.17, 53,303.26 and 21,865.17

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Solution

The fourth proportional to 38,632.17, 53,303.26 and 21,865.17 is: 30,168.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,632.17 : 53,303.26 = 21,865.17 : x
  2. Step 2: Convert to fraction form
    38,632.17/53,303.26 = 21,865.17/x
  3. Step 3: Cross multiply
    38,632.17x = 53,303.26 × 21,865.17
  4. Step 4: Simplify right side
    38,632.17x = 1,165,484,974.71
  5. Step 5: Solve for x
    x = 1,165,484,974.71/38,632.17
  6. Step 6: Final answer
    x = 30,168.77

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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.