Home / 47,639.06-71,459.40-18,070.82

Finding the Fourth Proportional to 47,639.06, 71,459.40 and 18,070.82

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Solution

The fourth proportional to 47,639.06, 71,459.40 and 18,070.82 is: 27,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639.06 : 71,459.40 = 18,070.82 : x
  2. Step 2: Convert to fraction form
    47,639.06/71,459.40 = 18,070.82/x
  3. Step 3: Cross multiply
    47,639.06x = 71,459.40 × 18,070.82
  4. Step 4: Simplify right side
    47,639.06x = 1,291,329,954.71
  5. Step 5: Solve for x
    x = 1,291,329,954.71/47,639.06
  6. Step 6: Final answer
    x = 27,106.54

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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.