Home / 42,768.36-59,037.06-28,616.04

Finding the Fourth Proportional to 42,768.36, 59,037.06 and 28,616.04

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Solution

The fourth proportional to 42,768.36, 59,037.06 and 28,616.04 is: 39,501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768.36 : 59,037.06 = 28,616.04 : x
  2. Step 2: Convert to fraction form
    42,768.36/59,037.06 = 28,616.04/x
  3. Step 3: Cross multiply
    42,768.36x = 59,037.06 × 28,616.04
  4. Step 4: Simplify right side
    42,768.36x = 1,689,406,870.44
  5. Step 5: Solve for x
    x = 1,689,406,870.44/42,768.36
  6. Step 6: Final answer
    x = 39,501.32

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1.5x scale

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.