Home / 53,973.30-80,900.55-18,894.90

Finding the Fourth Proportional to 53,973.30, 80,900.55 and 18,894.90

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Solution

The fourth proportional to 53,973.30, 80,900.55 and 18,894.90 is: 28,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,973.30 : 80,900.55 = 18,894.90 : x
  2. Step 2: Convert to fraction form
    53,973.30/80,900.55 = 18,894.90/x
  3. Step 3: Cross multiply
    53,973.30x = 80,900.55 × 18,894.90
  4. Step 4: Simplify right side
    53,973.30x = 1,528,607,802.20
  5. Step 5: Solve for x
    x = 1,528,607,802.20/53,973.30
  6. Step 6: Final answer
    x = 28,321.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.