Home / 32,990.19-45,525.90-18,649.79

Finding the Fourth Proportional to 32,990.19, 45,525.90 and 18,649.79

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Solution

The fourth proportional to 32,990.19, 45,525.90 and 18,649.79 is: 25,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,990.19 : 45,525.90 = 18,649.79 : x
  2. Step 2: Convert to fraction form
    32,990.19/45,525.90 = 18,649.79/x
  3. Step 3: Cross multiply
    32,990.19x = 45,525.90 × 18,649.79
  4. Step 4: Simplify right side
    32,990.19x = 849,048,638.77
  5. Step 5: Solve for x
    x = 849,048,638.77/32,990.19
  6. Step 6: Final answer
    x = 25,736.40

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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.