Home / 38,677.93-57,902.01-21,094.45

Finding the Fourth Proportional to 38,677.93, 57,902.01 and 21,094.45

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Solution

The fourth proportional to 38,677.93, 57,902.01 and 21,094.45 is: 31,579.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,677.93 : 57,902.01 = 21,094.45 : x
  2. Step 2: Convert to fraction form
    38,677.93/57,902.01 = 21,094.45/x
  3. Step 3: Cross multiply
    38,677.93x = 57,902.01 × 21,094.45
  4. Step 4: Simplify right side
    38,677.93x = 1,221,411,054.84
  5. Step 5: Solve for x
    x = 1,221,411,054.84/38,677.93
  6. Step 6: Final answer
    x = 31,579.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.