Home / 48,421-66,824.63-29,561.77

Finding the Fourth Proportional to 48,421, 66,824.63 and 29,561.77

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Solution

The fourth proportional to 48,421, 66,824.63 and 29,561.77 is: 40,797.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,421 : 66,824.63 = 29,561.77 : x
  2. Step 2: Convert to fraction form
    48,421/66,824.63 = 29,561.77/x
  3. Step 3: Cross multiply
    48,421x = 66,824.63 × 29,561.77
  4. Step 4: Simplify right side
    48,421x = 1,975,454,342.40
  5. Step 5: Solve for x
    x = 1,975,454,342.40/48,421
  6. Step 6: Final answer
    x = 40,797.47

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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.