Home / 35,991.96-53,988.27-13,800.06

Finding the Fourth Proportional to 35,991.96, 53,988.27 and 13,800.06

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Solution

The fourth proportional to 35,991.96, 53,988.27 and 13,800.06 is: 20,700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,991.96 : 53,988.27 = 13,800.06 : x
  2. Step 2: Convert to fraction form
    35,991.96/53,988.27 = 13,800.06/x
  3. Step 3: Cross multiply
    35,991.96x = 53,988.27 × 13,800.06
  4. Step 4: Simplify right side
    35,991.96x = 745,041,365.30
  5. Step 5: Solve for x
    x = 745,041,365.30/35,991.96
  6. Step 6: Final answer
    x = 20,700.22

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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.