Home / 38,794.16-53,531.98-21,795.71

Finding the Fourth Proportional to 38,794.16, 53,531.98 and 21,795.71

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Solution

The fourth proportional to 38,794.16, 53,531.98 and 21,795.71 is: 30,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,794.16 : 53,531.98 = 21,795.71 : x
  2. Step 2: Convert to fraction form
    38,794.16/53,531.98 = 21,795.71/x
  3. Step 3: Cross multiply
    38,794.16x = 53,531.98 × 21,795.71
  4. Step 4: Simplify right side
    38,794.16x = 1,166,767,189.66
  5. Step 5: Solve for x
    x = 1,166,767,189.66/38,794.16
  6. Step 6: Final answer
    x = 30,075.84

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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.