Home / 29,271.23-40,394.34-15,842.49

Finding the Fourth Proportional to 29,271.23, 40,394.34 and 15,842.49

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Solution

The fourth proportional to 29,271.23, 40,394.34 and 15,842.49 is: 21,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,271.23 : 40,394.34 = 15,842.49 : x
  2. Step 2: Convert to fraction form
    29,271.23/40,394.34 = 15,842.49/x
  3. Step 3: Cross multiply
    29,271.23x = 40,394.34 × 15,842.49
  4. Step 4: Simplify right side
    29,271.23x = 639,946,927.51
  5. Step 5: Solve for x
    x = 639,946,927.51/29,271.23
  6. Step 6: Final answer
    x = 21,862.66

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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.