Home / 29,498.19-40,710.78-18,165.45

Finding the Fourth Proportional to 29,498.19, 40,710.78 and 18,165.45

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Solution

The fourth proportional to 29,498.19, 40,710.78 and 18,165.45 is: 25,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,498.19 : 40,710.78 = 18,165.45 : x
  2. Step 2: Convert to fraction form
    29,498.19/40,710.78 = 18,165.45/x
  3. Step 3: Cross multiply
    29,498.19x = 40,710.78 × 18,165.45
  4. Step 4: Simplify right side
    29,498.19x = 739,529,638.55
  5. Step 5: Solve for x
    x = 739,529,638.55/29,498.19
  6. Step 6: Final answer
    x = 25,070.34

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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.