Home / 53,613.26-73,989.65-30,956.40

Finding the Fourth Proportional to 53,613.26, 73,989.65 and 30,956.40

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Solution

The fourth proportional to 53,613.26, 73,989.65 and 30,956.40 is: 42,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,613.26 : 73,989.65 = 30,956.40 : x
  2. Step 2: Convert to fraction form
    53,613.26/73,989.65 = 30,956.40/x
  3. Step 3: Cross multiply
    53,613.26x = 73,989.65 × 30,956.40
  4. Step 4: Simplify right side
    53,613.26x = 2,290,453,201.26
  5. Step 5: Solve for x
    x = 2,290,453,201.26/53,613.26
  6. Step 6: Final answer
    x = 42,721.77

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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.