Home / 29,038.66-40,058.60-18,973

Finding the Fourth Proportional to 29,038.66, 40,058.60 and 18,973

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Solution

The fourth proportional to 29,038.66, 40,058.60 and 18,973 is: 26,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,038.66 : 40,058.60 = 18,973 : x
  2. Step 2: Convert to fraction form
    29,038.66/40,058.60 = 18,973/x
  3. Step 3: Cross multiply
    29,038.66x = 40,058.60 × 18,973
  4. Step 4: Simplify right side
    29,038.66x = 760,031,817.80
  5. Step 5: Solve for x
    x = 760,031,817.80/29,038.66
  6. Step 6: Final answer
    x = 26,173.10

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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.