Home / 39,875.92-55,015.56-25,738.16

Finding the Fourth Proportional to 39,875.92, 55,015.56 and 25,738.16

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Solution

The fourth proportional to 39,875.92, 55,015.56 and 25,738.16 is: 35,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,875.92 : 55,015.56 = 25,738.16 : x
  2. Step 2: Convert to fraction form
    39,875.92/55,015.56 = 25,738.16/x
  3. Step 3: Cross multiply
    39,875.92x = 55,015.56 × 25,738.16
  4. Step 4: Simplify right side
    39,875.92x = 1,415,999,285.77
  5. Step 5: Solve for x
    x = 1,415,999,285.77/39,875.92
  6. Step 6: Final answer
    x = 35,510.13

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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.