Home / 34,830.86-48,066.62-18,915.30

Finding the Fourth Proportional to 34,830.86, 48,066.62 and 18,915.30

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Solution

The fourth proportional to 34,830.86, 48,066.62 and 18,915.30 is: 26,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,830.86 : 48,066.62 = 18,915.30 : x
  2. Step 2: Convert to fraction form
    34,830.86/48,066.62 = 18,915.30/x
  3. Step 3: Cross multiply
    34,830.86x = 48,066.62 × 18,915.30
  4. Step 4: Simplify right side
    34,830.86x = 909,194,442.71
  5. Step 5: Solve for x
    x = 909,194,442.71/34,830.86
  6. Step 6: Final answer
    x = 26,103.13

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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.