Home / 55,537.36-83,133.29-30,173.45

Finding the Fourth Proportional to 55,537.36, 83,133.29 and 30,173.45

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Solution

The fourth proportional to 55,537.36, 83,133.29 and 30,173.45 is: 45,166.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,537.36 : 83,133.29 = 30,173.45 : x
  2. Step 2: Convert to fraction form
    55,537.36/83,133.29 = 30,173.45/x
  3. Step 3: Cross multiply
    55,537.36x = 83,133.29 × 30,173.45
  4. Step 4: Simplify right side
    55,537.36x = 2,508,418,018.28
  5. Step 5: Solve for x
    x = 2,508,418,018.28/55,537.36
  6. Step 6: Final answer
    x = 45,166.32

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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.