Home / 54,336.81-74,980.45-30,460.24

Finding the Fourth Proportional to 54,336.81, 74,980.45 and 30,460.24

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Solution

The fourth proportional to 54,336.81, 74,980.45 and 30,460.24 is: 42,032.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,336.81 : 74,980.45 = 30,460.24 : x
  2. Step 2: Convert to fraction form
    54,336.81/74,980.45 = 30,460.24/x
  3. Step 3: Cross multiply
    54,336.81x = 74,980.45 × 30,460.24
  4. Step 4: Simplify right side
    54,336.81x = 2,283,922,502.31
  5. Step 5: Solve for x
    x = 2,283,922,502.31/54,336.81
  6. Step 6: Final answer
    x = 42,032.69

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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.