Home / 54,090.06-81,135.08-14,647.16

Finding the Fourth Proportional to 54,090.06, 81,135.08 and 14,647.16

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Solution

The fourth proportional to 54,090.06, 81,135.08 and 14,647.16 is: 21,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,090.06 : 81,135.08 = 14,647.16 : x
  2. Step 2: Convert to fraction form
    54,090.06/81,135.08 = 14,647.16/x
  3. Step 3: Cross multiply
    54,090.06x = 81,135.08 × 14,647.16
  4. Step 4: Simplify right side
    54,090.06x = 1,188,398,498.37
  5. Step 5: Solve for x
    x = 1,188,398,498.37/54,090.06
  6. Step 6: Final answer
    x = 21,970.74

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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.