Home / 38,803.51-58,212.69-12,501.19

Finding the Fourth Proportional to 38,803.51, 58,212.69 and 12,501.19

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Solution

The fourth proportional to 38,803.51, 58,212.69 and 12,501.19 is: 18,754.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,803.51 : 58,212.69 = 12,501.19 : x
  2. Step 2: Convert to fraction form
    38,803.51/58,212.69 = 12,501.19/x
  3. Step 3: Cross multiply
    38,803.51x = 58,212.69 × 12,501.19
  4. Step 4: Simplify right side
    38,803.51x = 727,727,898.10
  5. Step 5: Solve for x
    x = 727,727,898.10/38,803.51
  6. Step 6: Final answer
    x = 18,754.18

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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.