Home / 51,369.14-77,059.85-21,783.13

Finding the Fourth Proportional to 51,369.14, 77,059.85 and 21,783.13

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Solution

The fourth proportional to 51,369.14, 77,059.85 and 21,783.13 is: 32,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,369.14 : 77,059.85 = 21,783.13 : x
  2. Step 2: Convert to fraction form
    51,369.14/77,059.85 = 21,783.13/x
  3. Step 3: Cross multiply
    51,369.14x = 77,059.85 × 21,783.13
  4. Step 4: Simplify right side
    51,369.14x = 1,678,604,730.33
  5. Step 5: Solve for x
    x = 1,678,604,730.33/51,369.14
  6. Step 6: Final answer
    x = 32,677.30

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1.5x scale

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.