Home / 31,570.24-47,349.60-12,845.76

Finding the Fourth Proportional to 31,570.24, 47,349.60 and 12,845.76

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Solution

The fourth proportional to 31,570.24, 47,349.60 and 12,845.76 is: 19,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,570.24 : 47,349.60 = 12,845.76 : x
  2. Step 2: Convert to fraction form
    31,570.24/47,349.60 = 12,845.76/x
  3. Step 3: Cross multiply
    31,570.24x = 47,349.60 × 12,845.76
  4. Step 4: Simplify right side
    31,570.24x = 608,241,597.70
  5. Step 5: Solve for x
    x = 608,241,597.70/31,570.24
  6. Step 6: Final answer
    x = 19,266.30

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1.5x scale

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.