Home / 47,002.48-70,487.30-18,915.24

Finding the Fourth Proportional to 47,002.48, 70,487.30 and 18,915.24

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Solution

The fourth proportional to 47,002.48, 70,487.30 and 18,915.24 is: 28,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,002.48 : 70,487.30 = 18,915.24 : x
  2. Step 2: Convert to fraction form
    47,002.48/70,487.30 = 18,915.24/x
  3. Step 3: Cross multiply
    47,002.48x = 70,487.30 × 18,915.24
  4. Step 4: Simplify right side
    47,002.48x = 1,333,284,196.45
  5. Step 5: Solve for x
    x = 1,333,284,196.45/47,002.48
  6. Step 6: Final answer
    x = 28,366.25

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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.