Home / 53,962.31-80,950.25-18,430.35

Finding the Fourth Proportional to 53,962.31, 80,950.25 and 18,430.35

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Solution

The fourth proportional to 53,962.31, 80,950.25 and 18,430.35 is: 27,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,962.31 : 80,950.25 = 18,430.35 : x
  2. Step 2: Convert to fraction form
    53,962.31/80,950.25 = 18,430.35/x
  3. Step 3: Cross multiply
    53,962.31x = 80,950.25 × 18,430.35
  4. Step 4: Simplify right side
    53,962.31x = 1,491,941,486.16
  5. Step 5: Solve for x
    x = 1,491,941,486.16/53,962.31
  6. Step 6: Final answer
    x = 27,647.85

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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.