Home / 84,945.21-127,417.01-22,615.71

Finding the Fourth Proportional to 84,945.21, 127,417.01 and 22,615.71

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Solution

The fourth proportional to 84,945.21, 127,417.01 and 22,615.71 is: 33,923.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,945.21 : 127,417.01 = 22,615.71 : x
  2. Step 2: Convert to fraction form
    84,945.21/127,417.01 = 22,615.71/x
  3. Step 3: Cross multiply
    84,945.21x = 127,417.01 × 22,615.71
  4. Step 4: Simplify right side
    84,945.21x = 2,881,626,034.15
  5. Step 5: Solve for x
    x = 2,881,626,034.15/84,945.21
  6. Step 6: Final answer
    x = 33,923.35

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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.