Home / 58,939.36-81,330.10-33,440.56

Finding the Fourth Proportional to 58,939.36, 81,330.10 and 33,440.56

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Solution

The fourth proportional to 58,939.36, 81,330.10 and 33,440.56 is: 46,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,939.36 : 81,330.10 = 33,440.56 : x
  2. Step 2: Convert to fraction form
    58,939.36/81,330.10 = 33,440.56/x
  3. Step 3: Cross multiply
    58,939.36x = 81,330.10 × 33,440.56
  4. Step 4: Simplify right side
    58,939.36x = 2,719,724,088.86
  5. Step 5: Solve for x
    x = 2,719,724,088.86/58,939.36
  6. Step 6: Final answer
    x = 46,144.45

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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.