Home / 40,942.20-56,482.74-29,618.40

Finding the Fourth Proportional to 40,942.20, 56,482.74 and 29,618.40

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Solution

The fourth proportional to 40,942.20, 56,482.74 and 29,618.40 is: 40,860.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,942.20 : 56,482.74 = 29,618.40 : x
  2. Step 2: Convert to fraction form
    40,942.20/56,482.74 = 29,618.40/x
  3. Step 3: Cross multiply
    40,942.20x = 56,482.74 × 29,618.40
  4. Step 4: Simplify right side
    40,942.20x = 1,672,928,386.42
  5. Step 5: Solve for x
    x = 1,672,928,386.42/40,942.20
  6. Step 6: Final answer
    x = 40,860.74

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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.