Home / 42,336.23-63,504.35-12,754.07

Finding the Fourth Proportional to 42,336.23, 63,504.35 and 12,754.07

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Solution

The fourth proportional to 42,336.23, 63,504.35 and 12,754.07 is: 19,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,336.23 : 63,504.35 = 12,754.07 : x
  2. Step 2: Convert to fraction form
    42,336.23/63,504.35 = 12,754.07/x
  3. Step 3: Cross multiply
    42,336.23x = 63,504.35 × 12,754.07
  4. Step 4: Simplify right side
    42,336.23x = 809,938,639.57
  5. Step 5: Solve for x
    x = 809,938,639.57/42,336.23
  6. Step 6: Final answer
    x = 19,131.10

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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.