Home / 53,113.90-73,294.32-30,451.80

Finding the Fourth Proportional to 53,113.90, 73,294.32 and 30,451.80

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Solution

The fourth proportional to 53,113.90, 73,294.32 and 30,451.80 is: 42,021.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,113.90 : 73,294.32 = 30,451.80 : x
  2. Step 2: Convert to fraction form
    53,113.90/73,294.32 = 30,451.80/x
  3. Step 3: Cross multiply
    53,113.90x = 73,294.32 × 30,451.80
  4. Step 4: Simplify right side
    53,113.90x = 2,231,943,973.78
  5. Step 5: Solve for x
    x = 2,231,943,973.78/53,113.90
  6. Step 6: Final answer
    x = 42,021.84

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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.