Home / 47,071.68-70,705.98-39,690.60

Finding the Fourth Proportional to 47,071.68, 70,705.98 and 39,690.60

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Solution

The fourth proportional to 47,071.68, 70,705.98 and 39,690.60 is: 59,618.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,071.68 : 70,705.98 = 39,690.60 : x
  2. Step 2: Convert to fraction form
    47,071.68/70,705.98 = 39,690.60/x
  3. Step 3: Cross multiply
    47,071.68x = 70,705.98 × 39,690.60
  4. Step 4: Simplify right side
    47,071.68x = 2,806,362,769.79
  5. Step 5: Solve for x
    x = 2,806,362,769.79/47,071.68
  6. Step 6: Final answer
    x = 59,618.92

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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.