Home / 37,889.16-52,276.50-21,970.44

Finding the Fourth Proportional to 37,889.16, 52,276.50 and 21,970.44

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Solution

The fourth proportional to 37,889.16, 52,276.50 and 21,970.44 is: 30,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,889.16 : 52,276.50 = 21,970.44 : x
  2. Step 2: Convert to fraction form
    37,889.16/52,276.50 = 21,970.44/x
  3. Step 3: Cross multiply
    37,889.16x = 52,276.50 × 21,970.44
  4. Step 4: Simplify right side
    37,889.16x = 1,148,537,706.66
  5. Step 5: Solve for x
    x = 1,148,537,706.66/37,889.16
  6. Step 6: Final answer
    x = 30,313.10

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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.