Home / 47,087.48-70,631.35-11,548.96

Finding the Fourth Proportional to 47,087.48, 70,631.35 and 11,548.96

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Solution

The fourth proportional to 47,087.48, 70,631.35 and 11,548.96 is: 17,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,087.48 : 70,631.35 = 11,548.96 : x
  2. Step 2: Convert to fraction form
    47,087.48/70,631.35 = 11,548.96/x
  3. Step 3: Cross multiply
    47,087.48x = 70,631.35 × 11,548.96
  4. Step 4: Simplify right side
    47,087.48x = 815,718,430.45
  5. Step 5: Solve for x
    x = 815,718,430.45/47,087.48
  6. Step 6: Final answer
    x = 17,323.47

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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.