Home / 34,339.21-47,389.86-19,230.99

Finding the Fourth Proportional to 34,339.21, 47,389.86 and 19,230.99

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Solution

The fourth proportional to 34,339.21, 47,389.86 and 19,230.99 is: 26,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,339.21 : 47,389.86 = 19,230.99 : x
  2. Step 2: Convert to fraction form
    34,339.21/47,389.86 = 19,230.99/x
  3. Step 3: Cross multiply
    34,339.21x = 47,389.86 × 19,230.99
  4. Step 4: Simplify right side
    34,339.21x = 911,353,746.05
  5. Step 5: Solve for x
    x = 911,353,746.05/34,339.21
  6. Step 6: Final answer
    x = 26,539.74

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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.