Home / 51,615.09-77,430.33-18,332.36

Finding the Fourth Proportional to 51,615.09, 77,430.33 and 18,332.36

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Solution

The fourth proportional to 51,615.09, 77,430.33 and 18,332.36 is: 27,501.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,615.09 : 77,430.33 = 18,332.36 : x
  2. Step 2: Convert to fraction form
    51,615.09/77,430.33 = 18,332.36/x
  3. Step 3: Cross multiply
    51,615.09x = 77,430.33 × 18,332.36
  4. Step 4: Simplify right side
    51,615.09x = 1,419,480,684.48
  5. Step 5: Solve for x
    x = 1,419,480,684.48/51,615.09
  6. Step 6: Final answer
    x = 27,501.27

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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.