Home / 39,319.86-54,313.34-29,131.59

Finding the Fourth Proportional to 39,319.86, 54,313.34 and 29,131.59

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Solution

The fourth proportional to 39,319.86, 54,313.34 and 29,131.59 is: 40,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,319.86 : 54,313.34 = 29,131.59 : x
  2. Step 2: Convert to fraction form
    39,319.86/54,313.34 = 29,131.59/x
  3. Step 3: Cross multiply
    39,319.86x = 54,313.34 × 29,131.59
  4. Step 4: Simplify right side
    39,319.86x = 1,582,233,952.41
  5. Step 5: Solve for x
    x = 1,582,233,952.41/39,319.86
  6. Step 6: Final answer
    x = 40,240.07

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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.