Home / 37,617.84-51,913.08-21,705.60

Finding the Fourth Proportional to 37,617.84, 51,913.08 and 21,705.60

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Solution

The fourth proportional to 37,617.84, 51,913.08 and 21,705.60 is: 29,953.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,617.84 : 51,913.08 = 21,705.60 : x
  2. Step 2: Convert to fraction form
    37,617.84/51,913.08 = 21,705.60/x
  3. Step 3: Cross multiply
    37,617.84x = 51,913.08 × 21,705.60
  4. Step 4: Simplify right side
    37,617.84x = 1,126,804,549.25
  5. Step 5: Solve for x
    x = 1,126,804,549.25/37,617.84
  6. Step 6: Final answer
    x = 29,953.99

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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.