Home / 53,898.81-74,382.65-30,025.45

Finding the Fourth Proportional to 53,898.81, 74,382.65 and 30,025.45

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Solution

The fourth proportional to 53,898.81, 74,382.65 and 30,025.45 is: 41,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,898.81 : 74,382.65 = 30,025.45 : x
  2. Step 2: Convert to fraction form
    53,898.81/74,382.65 = 30,025.45/x
  3. Step 3: Cross multiply
    53,898.81x = 74,382.65 × 30,025.45
  4. Step 4: Simplify right side
    53,898.81x = 2,233,372,538.44
  5. Step 5: Solve for x
    x = 2,233,372,538.44/53,898.81
  6. Step 6: Final answer
    x = 41,436.40

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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.