Home / 29,333.88-40,465.98-20,955.24

Finding the Fourth Proportional to 29,333.88, 40,465.98 and 20,955.24

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Solution

The fourth proportional to 29,333.88, 40,465.98 and 20,955.24 is: 28,907.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,333.88 : 40,465.98 = 20,955.24 : x
  2. Step 2: Convert to fraction form
    29,333.88/40,465.98 = 20,955.24/x
  3. Step 3: Cross multiply
    29,333.88x = 40,465.98 × 20,955.24
  4. Step 4: Simplify right side
    29,333.88x = 847,974,322.74
  5. Step 5: Solve for x
    x = 847,974,322.74/29,333.88
  6. Step 6: Final answer
    x = 28,907.68

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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.