Home / 48,533.19-72,771.08-18,916.46

Finding the Fourth Proportional to 48,533.19, 72,771.08 and 18,916.46

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Solution

The fourth proportional to 48,533.19, 72,771.08 and 18,916.46 is: 28,363.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,533.19 : 72,771.08 = 18,916.46 : x
  2. Step 2: Convert to fraction form
    48,533.19/72,771.08 = 18,916.46/x
  3. Step 3: Cross multiply
    48,533.19x = 72,771.08 × 18,916.46
  4. Step 4: Simplify right side
    48,533.19x = 1,376,570,907.41
  5. Step 5: Solve for x
    x = 1,376,570,907.41/48,533.19
  6. Step 6: Final answer
    x = 28,363.50

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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.