Home / 45,981.50-68,980.46-17,916.84

Finding the Fourth Proportional to 45,981.50, 68,980.46 and 17,916.84

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Solution

The fourth proportional to 45,981.50, 68,980.46 and 17,916.84 is: 26,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,981.50 : 68,980.46 = 17,916.84 : x
  2. Step 2: Convert to fraction form
    45,981.50/68,980.46 = 17,916.84/x
  3. Step 3: Cross multiply
    45,981.50x = 68,980.46 × 17,916.84
  4. Step 4: Simplify right side
    45,981.50x = 1,235,911,775.36
  5. Step 5: Solve for x
    x = 1,235,911,775.36/45,981.50
  6. Step 6: Final answer
    x = 26,878.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.