Home / 23,151.90-31,943.13-14,539.01

Finding the Fourth Proportional to 23,151.90, 31,943.13 and 14,539.01

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Solution

The fourth proportional to 23,151.90, 31,943.13 and 14,539.01 is: 20,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.90 : 31,943.13 = 14,539.01 : x
  2. Step 2: Convert to fraction form
    23,151.90/31,943.13 = 14,539.01/x
  3. Step 3: Cross multiply
    23,151.90x = 31,943.13 × 14,539.01
  4. Step 4: Simplify right side
    23,151.90x = 464,421,486.50
  5. Step 5: Solve for x
    x = 464,421,486.50/23,151.90
  6. Step 6: Final answer
    x = 20,059.76

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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.