Home / 39,826.78-59,749.44-13,531.57

Finding the Fourth Proportional to 39,826.78, 59,749.44 and 13,531.57

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Solution

The fourth proportional to 39,826.78, 59,749.44 and 13,531.57 is: 20,300.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,826.78 : 59,749.44 = 13,531.57 : x
  2. Step 2: Convert to fraction form
    39,826.78/59,749.44 = 13,531.57/x
  3. Step 3: Cross multiply
    39,826.78x = 59,749.44 × 13,531.57
  4. Step 4: Simplify right side
    39,826.78x = 808,503,729.82
  5. Step 5: Solve for x
    x = 808,503,729.82/39,826.78
  6. Step 6: Final answer
    x = 20,300.50

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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.