Home / 84,280.10-126,427.39-21,950.50

Finding the Fourth Proportional to 84,280.10, 126,427.39 and 21,950.50

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Solution

The fourth proportional to 84,280.10, 126,427.39 and 21,950.50 is: 32,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,280.10 : 126,427.39 = 21,950.50 : x
  2. Step 2: Convert to fraction form
    84,280.10/126,427.39 = 21,950.50/x
  3. Step 3: Cross multiply
    84,280.10x = 126,427.39 × 21,950.50
  4. Step 4: Simplify right side
    84,280.10x = 2,775,144,424.20
  5. Step 5: Solve for x
    x = 2,775,144,424.20/84,280.10
  6. Step 6: Final answer
    x = 32,927.64

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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.