Home / 47,267.42-70,915.03-13,988.36

Finding the Fourth Proportional to 47,267.42, 70,915.03 and 13,988.36

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Solution

The fourth proportional to 47,267.42, 70,915.03 and 13,988.36 is: 20,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,267.42 : 70,915.03 = 13,988.36 : x
  2. Step 2: Convert to fraction form
    47,267.42/70,915.03 = 13,988.36/x
  3. Step 3: Cross multiply
    47,267.42x = 70,915.03 × 13,988.36
  4. Step 4: Simplify right side
    47,267.42x = 991,985,111.37
  5. Step 5: Solve for x
    x = 991,985,111.37/47,267.42
  6. Step 6: Final answer
    x = 20,986.66

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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.