Home / 34,695.13-47,879.28-18,779.58

Finding the Fourth Proportional to 34,695.13, 47,879.28 and 18,779.58

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Solution

The fourth proportional to 34,695.13, 47,879.28 and 18,779.58 is: 25,915.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,695.13 : 47,879.28 = 18,779.58 : x
  2. Step 2: Convert to fraction form
    34,695.13/47,879.28 = 18,779.58/x
  3. Step 3: Cross multiply
    34,695.13x = 47,879.28 × 18,779.58
  4. Step 4: Simplify right side
    34,695.13x = 899,152,855.91
  5. Step 5: Solve for x
    x = 899,152,855.91/34,695.13
  6. Step 6: Final answer
    x = 25,915.82

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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.