Home / 34,123.56-47,062.67-28,651.50

Finding the Fourth Proportional to 34,123.56, 47,062.67 and 28,651.50

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Solution

The fourth proportional to 34,123.56, 47,062.67 and 28,651.50 is: 39,515.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,123.56 : 47,062.67 = 28,651.50 : x
  2. Step 2: Convert to fraction form
    34,123.56/47,062.67 = 28,651.50/x
  3. Step 3: Cross multiply
    34,123.56x = 47,062.67 × 28,651.50
  4. Step 4: Simplify right side
    34,123.56x = 1,348,415,946.25
  5. Step 5: Solve for x
    x = 1,348,415,946.25/34,123.56
  6. Step 6: Final answer
    x = 39,515.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.