Home / 62,631.20-86,430.60-34,336.40

Finding the Fourth Proportional to 62,631.20, 86,430.60 and 34,336.40

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Solution

The fourth proportional to 62,631.20, 86,430.60 and 34,336.40 is: 47,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,631.20 : 86,430.60 = 34,336.40 : x
  2. Step 2: Convert to fraction form
    62,631.20/86,430.60 = 34,336.40/x
  3. Step 3: Cross multiply
    62,631.20x = 86,430.60 × 34,336.40
  4. Step 4: Simplify right side
    62,631.20x = 2,967,715,653.84
  5. Step 5: Solve for x
    x = 2,967,715,653.84/62,631.20
  6. Step 6: Final answer
    x = 47,383.98

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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.