Home / 34,771.40-47,985.69-19,666.52

Finding the Fourth Proportional to 34,771.40, 47,985.69 and 19,666.52

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Solution

The fourth proportional to 34,771.40, 47,985.69 and 19,666.52 is: 27,140.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,771.40 : 47,985.69 = 19,666.52 : x
  2. Step 2: Convert to fraction form
    34,771.40/47,985.69 = 19,666.52/x
  3. Step 3: Cross multiply
    34,771.40x = 47,985.69 × 19,666.52
  4. Step 4: Simplify right side
    34,771.40x = 943,711,532.10
  5. Step 5: Solve for x
    x = 943,711,532.10/34,771.40
  6. Step 6: Final answer
    x = 27,140.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.