Home / 54,338.13-81,507.12-14,898.32

Finding the Fourth Proportional to 54,338.13, 81,507.12 and 14,898.32

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Solution

The fourth proportional to 54,338.13, 81,507.12 and 14,898.32 is: 22,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,338.13 : 81,507.12 = 14,898.32 : x
  2. Step 2: Convert to fraction form
    54,338.13/81,507.12 = 14,898.32/x
  3. Step 3: Cross multiply
    54,338.13x = 81,507.12 × 14,898.32
  4. Step 4: Simplify right side
    54,338.13x = 1,214,319,359.81
  5. Step 5: Solve for x
    x = 1,214,319,359.81/54,338.13
  6. Step 6: Final answer
    x = 22,347.46

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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.