Home / 35,563.08-53,376.84-18,937.20

Finding the Fourth Proportional to 35,563.08, 53,376.84 and 18,937.20

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Solution

The fourth proportional to 35,563.08, 53,376.84 and 18,937.20 is: 28,422.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,563.08 : 53,376.84 = 18,937.20 : x
  2. Step 2: Convert to fraction form
    35,563.08/53,376.84 = 18,937.20/x
  3. Step 3: Cross multiply
    35,563.08x = 53,376.84 × 18,937.20
  4. Step 4: Simplify right side
    35,563.08x = 1,010,807,894.45
  5. Step 5: Solve for x
    x = 1,010,807,894.45/35,563.08
  6. Step 6: Final answer
    x = 28,422.96

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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.