Home / 39,455.04-59,190.88-12,798.95

Finding the Fourth Proportional to 39,455.04, 59,190.88 and 12,798.95

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Solution

The fourth proportional to 39,455.04, 59,190.88 and 12,798.95 is: 19,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,455.04 : 59,190.88 = 12,798.95 : x
  2. Step 2: Convert to fraction form
    39,455.04/59,190.88 = 12,798.95/x
  3. Step 3: Cross multiply
    39,455.04x = 59,190.88 × 12,798.95
  4. Step 4: Simplify right side
    39,455.04x = 757,581,174.06
  5. Step 5: Solve for x
    x = 757,581,174.06/39,455.04
  6. Step 6: Final answer
    x = 19,201.12

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1.5x scale

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.