Home / 43,490.02-65,235.65-12,325.27

Finding the Fourth Proportional to 43,490.02, 65,235.65 and 12,325.27

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Solution

The fourth proportional to 43,490.02, 65,235.65 and 12,325.27 is: 18,488.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,490.02 : 65,235.65 = 12,325.27 : x
  2. Step 2: Convert to fraction form
    43,490.02/65,235.65 = 12,325.27/x
  3. Step 3: Cross multiply
    43,490.02x = 65,235.65 × 12,325.27
  4. Step 4: Simplify right side
    43,490.02x = 804,046,999.88
  5. Step 5: Solve for x
    x = 804,046,999.88/43,490.02
  6. Step 6: Final answer
    x = 18,488.08

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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.