Home / 34,718.89-47,912.10-18,803.36

Finding the Fourth Proportional to 34,718.89, 47,912.10 and 18,803.36

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Solution

The fourth proportional to 34,718.89, 47,912.10 and 18,803.36 is: 25,948.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,718.89 : 47,912.10 = 18,803.36 : x
  2. Step 2: Convert to fraction form
    34,718.89/47,912.10 = 18,803.36/x
  3. Step 3: Cross multiply
    34,718.89x = 47,912.10 × 18,803.36
  4. Step 4: Simplify right side
    34,718.89x = 900,908,225.10
  5. Step 5: Solve for x
    x = 900,908,225.10/34,718.89
  6. Step 6: Final answer
    x = 25,948.65

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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.