Home / 53,262.45-73,505.75-30,608.78

Finding the Fourth Proportional to 53,262.45, 73,505.75 and 30,608.78

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Solution

The fourth proportional to 53,262.45, 73,505.75 and 30,608.78 is: 42,242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,262.45 : 73,505.75 = 30,608.78 : x
  2. Step 2: Convert to fraction form
    53,262.45/73,505.75 = 30,608.78/x
  3. Step 3: Cross multiply
    53,262.45x = 73,505.75 × 30,608.78
  4. Step 4: Simplify right side
    53,262.45x = 2,249,920,809.91
  5. Step 5: Solve for x
    x = 2,249,920,809.91/53,262.45
  6. Step 6: Final answer
    x = 42,242.16

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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.