Home / 30,586.02-42,206.55-16,974.80

Finding the Fourth Proportional to 30,586.02, 42,206.55 and 16,974.80

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Solution

The fourth proportional to 30,586.02, 42,206.55 and 16,974.80 is: 23,424.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,586.02 : 42,206.55 = 16,974.80 : x
  2. Step 2: Convert to fraction form
    30,586.02/42,206.55 = 16,974.80/x
  3. Step 3: Cross multiply
    30,586.02x = 42,206.55 × 16,974.80
  4. Step 4: Simplify right side
    30,586.02x = 716,447,724.01
  5. Step 5: Solve for x
    x = 716,447,724.01/30,586.02
  6. Step 6: Final answer
    x = 23,424.02

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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.