Home / 47,421.68-71,140.20-14,582

Finding the Fourth Proportional to 47,421.68, 71,140.20 and 14,582

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Solution

The fourth proportional to 47,421.68, 71,140.20 and 14,582 is: 21,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,421.68 : 71,140.20 = 14,582 : x
  2. Step 2: Convert to fraction form
    47,421.68/71,140.20 = 14,582/x
  3. Step 3: Cross multiply
    47,421.68x = 71,140.20 × 14,582
  4. Step 4: Simplify right side
    47,421.68x = 1,037,366,396.40
  5. Step 5: Solve for x
    x = 1,037,366,396.40/47,421.68
  6. Step 6: Final answer
    x = 21,875.36

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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.