Home / 34,130.31-47,071.97-28,658.25

Finding the Fourth Proportional to 34,130.31, 47,071.97 and 28,658.25

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Solution

The fourth proportional to 34,130.31, 47,071.97 and 28,658.25 is: 39,524.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,130.31 : 47,071.97 = 28,658.25 : x
  2. Step 2: Convert to fraction form
    34,130.31/47,071.97 = 28,658.25/x
  3. Step 3: Cross multiply
    34,130.31x = 47,071.97 × 28,658.25
  4. Step 4: Simplify right side
    34,130.31x = 1,349,000,140.96
  5. Step 5: Solve for x
    x = 1,349,000,140.96/34,130.31
  6. Step 6: Final answer
    x = 39,524.99

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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.