Home / 30,618.02-45,937.25-11,898.65

Finding the Fourth Proportional to 30,618.02, 45,937.25 and 11,898.65

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Solution

The fourth proportional to 30,618.02, 45,937.25 and 11,898.65 is: 17,851.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,618.02 : 45,937.25 = 11,898.65 : x
  2. Step 2: Convert to fraction form
    30,618.02/45,937.25 = 11,898.65/x
  3. Step 3: Cross multiply
    30,618.02x = 45,937.25 × 11,898.65
  4. Step 4: Simplify right side
    30,618.02x = 546,591,259.71
  5. Step 5: Solve for x
    x = 546,591,259.71/30,618.02
  6. Step 6: Final answer
    x = 17,851.95

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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.