Home / 36,210.29-49,970.07-21,111.89

Finding the Fourth Proportional to 36,210.29, 49,970.07 and 21,111.89

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Solution

The fourth proportional to 36,210.29, 49,970.07 and 21,111.89 is: 29,134.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,210.29 : 49,970.07 = 21,111.89 : x
  2. Step 2: Convert to fraction form
    36,210.29/49,970.07 = 21,111.89/x
  3. Step 3: Cross multiply
    36,210.29x = 49,970.07 × 21,111.89
  4. Step 4: Simplify right side
    36,210.29x = 1,054,962,621.13
  5. Step 5: Solve for x
    x = 1,054,962,621.13/36,210.29
  6. Step 6: Final answer
    x = 29,134.33

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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.