Home / 54,275.54-81,412.70-19,206.99

Finding the Fourth Proportional to 54,275.54, 81,412.70 and 19,206.99

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Solution

The fourth proportional to 54,275.54, 81,412.70 and 19,206.99 is: 28,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,275.54 : 81,412.70 = 19,206.99 : x
  2. Step 2: Convert to fraction form
    54,275.54/81,412.70 = 19,206.99/x
  3. Step 3: Cross multiply
    54,275.54x = 81,412.70 × 19,206.99
  4. Step 4: Simplify right side
    54,275.54x = 1,563,692,818.74
  5. Step 5: Solve for x
    x = 1,563,692,818.74/54,275.54
  6. Step 6: Final answer
    x = 28,810.27

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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.