Home / 34,318.50-47,360.33-19,210.78

Finding the Fourth Proportional to 34,318.50, 47,360.33 and 19,210.78

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Solution

The fourth proportional to 34,318.50, 47,360.33 and 19,210.78 is: 26,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,318.50 : 47,360.33 = 19,210.78 : x
  2. Step 2: Convert to fraction form
    34,318.50/47,360.33 = 19,210.78/x
  3. Step 3: Cross multiply
    34,318.50x = 47,360.33 × 19,210.78
  4. Step 4: Simplify right side
    34,318.50x = 909,828,880.36
  5. Step 5: Solve for x
    x = 909,828,880.36/34,318.50
  6. Step 6: Final answer
    x = 26,511.32

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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.