Home / 35,389.94-53,068.43-20,603.08

Finding the Fourth Proportional to 35,389.94, 53,068.43 and 20,603.08

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Solution

The fourth proportional to 35,389.94, 53,068.43 and 20,603.08 is: 30,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,389.94 : 53,068.43 = 20,603.08 : x
  2. Step 2: Convert to fraction form
    35,389.94/53,068.43 = 20,603.08/x
  3. Step 3: Cross multiply
    35,389.94x = 53,068.43 × 20,603.08
  4. Step 4: Simplify right side
    35,389.94x = 1,093,373,108.76
  5. Step 5: Solve for x
    x = 1,093,373,108.76/35,389.94
  6. Step 6: Final answer
    x = 30,895.03

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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.