Home / 31,897.58-47,856.60-9,715.24

Finding the Fourth Proportional to 31,897.58, 47,856.60 and 9,715.24

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Solution

The fourth proportional to 31,897.58, 47,856.60 and 9,715.24 is: 14,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897.58 : 47,856.60 = 9,715.24 : x
  2. Step 2: Convert to fraction form
    31,897.58/47,856.60 = 9,715.24/x
  3. Step 3: Cross multiply
    31,897.58x = 47,856.60 × 9,715.24
  4. Step 4: Simplify right side
    31,897.58x = 464,938,354.58
  5. Step 5: Solve for x
    x = 464,938,354.58/31,897.58
  6. Step 6: Final answer
    x = 14,575.98

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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.