Home / 34,985.76-48,278.91-19,069.86

Finding the Fourth Proportional to 34,985.76, 48,278.91 and 19,069.86

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Solution

The fourth proportional to 34,985.76, 48,278.91 and 19,069.86 is: 26,315.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,985.76 : 48,278.91 = 19,069.86 : x
  2. Step 2: Convert to fraction form
    34,985.76/48,278.91 = 19,069.86/x
  3. Step 3: Cross multiply
    34,985.76x = 48,278.91 × 19,069.86
  4. Step 4: Simplify right side
    34,985.76x = 920,671,813.26
  5. Step 5: Solve for x
    x = 920,671,813.26/34,985.76
  6. Step 6: Final answer
    x = 26,315.62

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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.