Home / 55,189.86-76,161.69-30,038.82

Finding the Fourth Proportional to 55,189.86, 76,161.69 and 30,038.82

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Solution

The fourth proportional to 55,189.86, 76,161.69 and 30,038.82 is: 41,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,189.86 : 76,161.69 = 30,038.82 : x
  2. Step 2: Convert to fraction form
    55,189.86/76,161.69 = 30,038.82/x
  3. Step 3: Cross multiply
    55,189.86x = 76,161.69 × 30,038.82
  4. Step 4: Simplify right side
    55,189.86x = 2,287,807,296.81
  5. Step 5: Solve for x
    x = 2,287,807,296.81/55,189.86
  6. Step 6: Final answer
    x = 41,453.40

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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.