Home / 54,341.64-74,990.16-30,468.24

Finding the Fourth Proportional to 54,341.64, 74,990.16 and 30,468.24

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Solution

The fourth proportional to 54,341.64, 74,990.16 and 30,468.24 is: 42,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,341.64 : 74,990.16 = 30,468.24 : x
  2. Step 2: Convert to fraction form
    54,341.64/74,990.16 = 30,468.24/x
  3. Step 3: Cross multiply
    54,341.64x = 74,990.16 × 30,468.24
  4. Step 4: Simplify right side
    54,341.64x = 2,284,818,192.52
  5. Step 5: Solve for x
    x = 2,284,818,192.52/54,341.64
  6. Step 6: Final answer
    x = 42,045.44

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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.