Home / 30,784.66-42,397.87-26,534.15

Finding the Fourth Proportional to 30,784.66, 42,397.87 and 26,534.15

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Solution

The fourth proportional to 30,784.66, 42,397.87 and 26,534.15 is: 36,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,784.66 : 42,397.87 = 26,534.15 : x
  2. Step 2: Convert to fraction form
    30,784.66/42,397.87 = 26,534.15/x
  3. Step 3: Cross multiply
    30,784.66x = 42,397.87 × 26,534.15
  4. Step 4: Simplify right side
    30,784.66x = 1,124,991,442.26
  5. Step 5: Solve for x
    x = 1,124,991,442.26/30,784.66
  6. Step 6: Final answer
    x = 36,543.90

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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.