Home / 39,358,139.28-59,059,629.72-31,430,351.76

Finding the Fourth Proportional to 39,358,139.28, 59,059,629.72 and 31,430,351.76

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Solution

The fourth proportional to 39,358,139.28, 59,059,629.72 and 31,430,351.76 is: 47,163,432.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,358,139.28 : 59,059,629.72 = 31,430,351.76 : x
  2. Step 2: Convert to fraction form
    39,358,139.28/59,059,629.72 = 31,430,351.76/x
  3. Step 3: Cross multiply
    39,358,139.28x = 59,059,629.72 × 31,430,351.76
  4. Step 4: Simplify right side
    39,358,139.28x = 1,856,264,936,914,950.25
  5. Step 5: Solve for x
    x = 1,856,264,936,914,950.25/39,358,139.28
  6. Step 6: Final answer
    x = 47,163,432.29

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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.