Home / 38,898.19-53,675.06-21,901.99

Finding the Fourth Proportional to 38,898.19, 53,675.06 and 21,901.99

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Solution

The fourth proportional to 38,898.19, 53,675.06 and 21,901.99 is: 30,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,898.19 : 53,675.06 = 21,901.99 : x
  2. Step 2: Convert to fraction form
    38,898.19/53,675.06 = 21,901.99/x
  3. Step 3: Cross multiply
    38,898.19x = 53,675.06 × 21,901.99
  4. Step 4: Simplify right side
    38,898.19x = 1,175,590,627.37
  5. Step 5: Solve for x
    x = 1,175,590,627.37/38,898.19
  6. Step 6: Final answer
    x = 30,222.24

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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.