Home / 48,687.56-72,987.26-19,097.45

Finding the Fourth Proportional to 48,687.56, 72,987.26 and 19,097.45

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Solution

The fourth proportional to 48,687.56, 72,987.26 and 19,097.45 is: 28,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,687.56 : 72,987.26 = 19,097.45 : x
  2. Step 2: Convert to fraction form
    48,687.56/72,987.26 = 19,097.45/x
  3. Step 3: Cross multiply
    48,687.56x = 72,987.26 × 19,097.45
  4. Step 4: Simplify right side
    48,687.56x = 1,393,870,639.72
  5. Step 5: Solve for x
    x = 1,393,870,639.72/48,687.56
  6. Step 6: Final answer
    x = 28,628.89

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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.