Home / 42,769.36-59,038.44-28,617.04

Finding the Fourth Proportional to 42,769.36, 59,038.44 and 28,617.04

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Solution

The fourth proportional to 42,769.36, 59,038.44 and 28,617.04 is: 39,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,769.36 : 59,038.44 = 28,617.04 : x
  2. Step 2: Convert to fraction form
    42,769.36/59,038.44 = 28,617.04/x
  3. Step 3: Cross multiply
    42,769.36x = 59,038.44 × 28,617.04
  4. Step 4: Simplify right side
    42,769.36x = 1,689,505,399.02
  5. Step 5: Solve for x
    x = 1,689,505,399.02/42,769.36
  6. Step 6: Final answer
    x = 39,502.70

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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.