Home / 44,403.90-66,638.70-21,030.38

Finding the Fourth Proportional to 44,403.90, 66,638.70 and 21,030.38

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Solution

The fourth proportional to 44,403.90, 66,638.70 and 21,030.38 is: 31,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,403.90 : 66,638.70 = 21,030.38 : x
  2. Step 2: Convert to fraction form
    44,403.90/66,638.70 = 21,030.38/x
  3. Step 3: Cross multiply
    44,403.90x = 66,638.70 × 21,030.38
  4. Step 4: Simplify right side
    44,403.90x = 1,401,437,183.71
  5. Step 5: Solve for x
    x = 1,401,437,183.71/44,403.90
  6. Step 6: Final answer
    x = 31,561.13

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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.