Home / 54,364.50-81,547.29-19,305.54

Finding the Fourth Proportional to 54,364.50, 81,547.29 and 19,305.54

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Solution

The fourth proportional to 54,364.50, 81,547.29 and 19,305.54 is: 28,958.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,364.50 : 81,547.29 = 19,305.54 : x
  2. Step 2: Convert to fraction form
    54,364.50/81,547.29 = 19,305.54/x
  3. Step 3: Cross multiply
    54,364.50x = 81,547.29 × 19,305.54
  4. Step 4: Simplify right side
    54,364.50x = 1,574,314,468.99
  5. Step 5: Solve for x
    x = 1,574,314,468.99/54,364.50
  6. Step 6: Final answer
    x = 28,958.50

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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.