Home / 53,940.08-74,439-30,066.16

Finding the Fourth Proportional to 53,940.08, 74,439 and 30,066.16

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Solution

The fourth proportional to 53,940.08, 74,439 and 30,066.16 is: 41,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,940.08 : 74,439 = 30,066.16 : x
  2. Step 2: Convert to fraction form
    53,940.08/74,439 = 30,066.16/x
  3. Step 3: Cross multiply
    53,940.08x = 74,439 × 30,066.16
  4. Step 4: Simplify right side
    53,940.08x = 2,238,094,884.24
  5. Step 5: Solve for x
    x = 2,238,094,884.24/53,940.08
  6. Step 6: Final answer
    x = 41,492.24

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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.