Home / 39,048.48-53,861.76-30,080.16

Finding the Fourth Proportional to 39,048.48, 53,861.76 and 30,080.16

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Solution

The fourth proportional to 39,048.48, 53,861.76 and 30,080.16 is: 41,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,048.48 : 53,861.76 = 30,080.16 : x
  2. Step 2: Convert to fraction form
    39,048.48/53,861.76 = 30,080.16/x
  3. Step 3: Cross multiply
    39,048.48x = 53,861.76 × 30,080.16
  4. Step 4: Simplify right side
    39,048.48x = 1,620,170,358.68
  5. Step 5: Solve for x
    x = 1,620,170,358.68/39,048.48
  6. Step 6: Final answer
    x = 41,491.25

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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.