Home / 34,358.40-51,537.60-31,515.30

Finding the Fourth Proportional to 34,358.40, 51,537.60 and 31,515.30

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Solution

The fourth proportional to 34,358.40, 51,537.60 and 31,515.30 is: 47,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,358.40 : 51,537.60 = 31,515.30 : x
  2. Step 2: Convert to fraction form
    34,358.40/51,537.60 = 31,515.30/x
  3. Step 3: Cross multiply
    34,358.40x = 51,537.60 × 31,515.30
  4. Step 4: Simplify right side
    34,358.40x = 1,624,222,925.28
  5. Step 5: Solve for x
    x = 1,624,222,925.28/34,358.40
  6. Step 6: Final answer
    x = 47,272.95

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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.