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Finding the Fourth Proportional to 34,841.68, 48,079.70 and 18,926.10

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Solution

The fourth proportional to 34,841.68, 48,079.70 and 18,926.10 is: 26,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,841.68 : 48,079.70 = 18,926.10 : x
  2. Step 2: Convert to fraction form
    34,841.68/48,079.70 = 18,926.10/x
  3. Step 3: Cross multiply
    34,841.68x = 48,079.70 × 18,926.10
  4. Step 4: Simplify right side
    34,841.68x = 909,961,210.17
  5. Step 5: Solve for x
    x = 909,961,210.17/34,841.68
  6. Step 6: Final answer
    x = 26,117.03

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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.