Home / 34,870.65-48,120.93-18,955.50

Finding the Fourth Proportional to 34,870.65, 48,120.93 and 18,955.50

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Solution

The fourth proportional to 34,870.65, 48,120.93 and 18,955.50 is: 26,158.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,870.65 : 48,120.93 = 18,955.50 : x
  2. Step 2: Convert to fraction form
    34,870.65/48,120.93 = 18,955.50/x
  3. Step 3: Cross multiply
    34,870.65x = 48,120.93 × 18,955.50
  4. Step 4: Simplify right side
    34,870.65x = 912,156,288.62
  5. Step 5: Solve for x
    x = 912,156,288.62/34,870.65
  6. Step 6: Final answer
    x = 26,158.28

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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.