Home / 39,539.96-54,585.06-30,567.20

Finding the Fourth Proportional to 39,539.96, 54,585.06 and 30,567.20

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Solution

The fourth proportional to 39,539.96, 54,585.06 and 30,567.20 is: 42,198.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,539.96 : 54,585.06 = 30,567.20 : x
  2. Step 2: Convert to fraction form
    39,539.96/54,585.06 = 30,567.20/x
  3. Step 3: Cross multiply
    39,539.96x = 54,585.06 × 30,567.20
  4. Step 4: Simplify right side
    39,539.96x = 1,668,512,446.03
  5. Step 5: Solve for x
    x = 1,668,512,446.03/39,539.96
  6. Step 6: Final answer
    x = 42,198.13

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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.