Home / 32,890.37-45,389.21-18,742.91

Finding the Fourth Proportional to 32,890.37, 45,389.21 and 18,742.91

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Solution

The fourth proportional to 32,890.37, 45,389.21 and 18,742.91 is: 25,865.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,890.37 : 45,389.21 = 18,742.91 : x
  2. Step 2: Convert to fraction form
    32,890.37/45,389.21 = 18,742.91/x
  3. Step 3: Cross multiply
    32,890.37x = 45,389.21 × 18,742.91
  4. Step 4: Simplify right side
    32,890.37x = 850,725,878.00
  5. Step 5: Solve for x
    x = 850,725,878.00/32,890.37
  6. Step 6: Final answer
    x = 25,865.50

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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.