Home / 36,945.71-50,985.14-21,030.15

Finding the Fourth Proportional to 36,945.71, 50,985.14 and 21,030.15

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Solution

The fourth proportional to 36,945.71, 50,985.14 and 21,030.15 is: 29,021.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,945.71 : 50,985.14 = 21,030.15 : x
  2. Step 2: Convert to fraction form
    36,945.71/50,985.14 = 21,030.15/x
  3. Step 3: Cross multiply
    36,945.71x = 50,985.14 × 21,030.15
  4. Step 4: Simplify right side
    36,945.71x = 1,072,225,228.01
  5. Step 5: Solve for x
    x = 1,072,225,228.01/36,945.71
  6. Step 6: Final answer
    x = 29,021.64

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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.