Home / 34,710.66-52,036.80-28,120.50

Finding the Fourth Proportional to 34,710.66, 52,036.80 and 28,120.50

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Solution

The fourth proportional to 34,710.66, 52,036.80 and 28,120.50 is: 42,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,710.66 : 52,036.80 = 28,120.50 : x
  2. Step 2: Convert to fraction form
    34,710.66/52,036.80 = 28,120.50/x
  3. Step 3: Cross multiply
    34,710.66x = 52,036.80 × 28,120.50
  4. Step 4: Simplify right side
    34,710.66x = 1,463,300,834.40
  5. Step 5: Solve for x
    x = 1,463,300,834.40/34,710.66
  6. Step 6: Final answer
    x = 42,157.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.