Home / 41,118.81-61,637.09-18,948.21

Finding the Fourth Proportional to 41,118.81, 61,637.09 and 18,948.21

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Solution

The fourth proportional to 41,118.81, 61,637.09 and 18,948.21 is: 28,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,118.81 : 61,637.09 = 18,948.21 : x
  2. Step 2: Convert to fraction form
    41,118.81/61,637.09 = 18,948.21/x
  3. Step 3: Cross multiply
    41,118.81x = 61,637.09 × 18,948.21
  4. Step 4: Simplify right side
    41,118.81x = 1,167,912,430.37
  5. Step 5: Solve for x
    x = 1,167,912,430.37/41,118.81
  6. Step 6: Final answer
    x = 28,403.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.