Home / 34,878.20-48,130.61-18,962.10

Finding the Fourth Proportional to 34,878.20, 48,130.61 and 18,962.10

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Solution

The fourth proportional to 34,878.20, 48,130.61 and 18,962.10 is: 26,166.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,878.20 : 48,130.61 = 18,962.10 : x
  2. Step 2: Convert to fraction form
    34,878.20/48,130.61 = 18,962.10/x
  3. Step 3: Cross multiply
    34,878.20x = 48,130.61 × 18,962.10
  4. Step 4: Simplify right side
    34,878.20x = 912,657,345.07
  5. Step 5: Solve for x
    x = 912,657,345.07/34,878.20
  6. Step 6: Final answer
    x = 26,166.99

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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.