Home / 39,354.48-54,334.80-30,386.16

Finding the Fourth Proportional to 39,354.48, 54,334.80 and 30,386.16

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Solution

The fourth proportional to 39,354.48, 54,334.80 and 30,386.16 is: 41,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,354.48 : 54,334.80 = 30,386.16 : x
  2. Step 2: Convert to fraction form
    39,354.48/54,334.80 = 30,386.16/x
  3. Step 3: Cross multiply
    39,354.48x = 54,334.80 × 30,386.16
  4. Step 4: Simplify right side
    39,354.48x = 1,651,025,926.37
  5. Step 5: Solve for x
    x = 1,651,025,926.37/39,354.48
  6. Step 6: Final answer
    x = 41,952.68

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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.