Home / 39,012.54-58,511.52-12,718.32

Finding the Fourth Proportional to 39,012.54, 58,511.52 and 12,718.32

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Solution

The fourth proportional to 39,012.54, 58,511.52 and 12,718.32 is: 19,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,012.54 : 58,511.52 = 12,718.32 : x
  2. Step 2: Convert to fraction form
    39,012.54/58,511.52 = 12,718.32/x
  3. Step 3: Cross multiply
    39,012.54x = 58,511.52 × 12,718.32
  4. Step 4: Simplify right side
    39,012.54x = 744,168,235.05
  5. Step 5: Solve for x
    x = 744,168,235.05/39,012.54
  6. Step 6: Final answer
    x = 19,075.10

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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.