Home / 61,485.20-84,848.73-34,630.37

Finding the Fourth Proportional to 61,485.20, 84,848.73 and 34,630.37

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Solution

The fourth proportional to 61,485.20, 84,848.73 and 34,630.37 is: 47,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,485.20 : 84,848.73 = 34,630.37 : x
  2. Step 2: Convert to fraction form
    61,485.20/84,848.73 = 34,630.37/x
  3. Step 3: Cross multiply
    61,485.20x = 84,848.73 × 34,630.37
  4. Step 4: Simplify right side
    61,485.20x = 2,938,342,913.93
  5. Step 5: Solve for x
    x = 2,938,342,913.93/61,485.20
  6. Step 6: Final answer
    x = 47,789.43

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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.