Home / 36,117.84-49,842.36-21,010.80

Finding the Fourth Proportional to 36,117.84, 49,842.36 and 21,010.80

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Solution

The fourth proportional to 36,117.84, 49,842.36 and 21,010.80 is: 28,994.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,117.84 : 49,842.36 = 21,010.80 : x
  2. Step 2: Convert to fraction form
    36,117.84/49,842.36 = 21,010.80/x
  3. Step 3: Cross multiply
    36,117.84x = 49,842.36 × 21,010.80
  4. Step 4: Simplify right side
    36,117.84x = 1,047,227,857.49
  5. Step 5: Solve for x
    x = 1,047,227,857.49/36,117.84
  6. Step 6: Final answer
    x = 28,994.75

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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.