Home / 23,347.18-34,871.87-21,122.58

Finding the Fourth Proportional to 23,347.18, 34,871.87 and 21,122.58

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Solution

The fourth proportional to 23,347.18, 34,871.87 and 21,122.58 is: 31,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,347.18 : 34,871.87 = 21,122.58 : x
  2. Step 2: Convert to fraction form
    23,347.18/34,871.87 = 21,122.58/x
  3. Step 3: Cross multiply
    23,347.18x = 34,871.87 × 21,122.58
  4. Step 4: Simplify right side
    23,347.18x = 736,583,863.82
  5. Step 5: Solve for x
    x = 736,583,863.82/23,347.18
  6. Step 6: Final answer
    x = 31,549.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.