Home / 35,947.06-53,927.88-12,589.90

Finding the Fourth Proportional to 35,947.06, 53,927.88 and 12,589.90

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Solution

The fourth proportional to 35,947.06, 53,927.88 and 12,589.90 is: 18,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,947.06 : 53,927.88 = 12,589.90 : x
  2. Step 2: Convert to fraction form
    35,947.06/53,927.88 = 12,589.90/x
  3. Step 3: Cross multiply
    35,947.06x = 53,927.88 × 12,589.90
  4. Step 4: Simplify right side
    35,947.06x = 678,946,616.41
  5. Step 5: Solve for x
    x = 678,946,616.41/35,947.06
  6. Step 6: Final answer
    x = 18,887.40

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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.