Home / 54,653.08-75,262.44-47,479.72

Finding the Fourth Proportional to 54,653.08, 75,262.44 and 47,479.72

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Solution

The fourth proportional to 54,653.08, 75,262.44 and 47,479.72 is: 65,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,653.08 : 75,262.44 = 47,479.72 : x
  2. Step 2: Convert to fraction form
    54,653.08/75,262.44 = 47,479.72/x
  3. Step 3: Cross multiply
    54,653.08x = 75,262.44 × 47,479.72
  4. Step 4: Simplify right side
    54,653.08x = 3,573,439,577.72
  5. Step 5: Solve for x
    x = 3,573,439,577.72/54,653.08
  6. Step 6: Final answer
    x = 65,384.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.