Home / 36,666.95-55,001.43-12,971.14

Finding the Fourth Proportional to 36,666.95, 55,001.43 and 12,971.14

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Solution

The fourth proportional to 36,666.95, 55,001.43 and 12,971.14 is: 19,457.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,666.95 : 55,001.43 = 12,971.14 : x
  2. Step 2: Convert to fraction form
    36,666.95/55,001.43 = 12,971.14/x
  3. Step 3: Cross multiply
    36,666.95x = 55,001.43 × 12,971.14
  4. Step 4: Simplify right side
    36,666.95x = 713,431,111.23
  5. Step 5: Solve for x
    x = 713,431,111.23/36,666.95
  6. Step 6: Final answer
    x = 19,457.06

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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.