Home / 30,748.46-46,140.23-12,030.02

Finding the Fourth Proportional to 30,748.46, 46,140.23 and 12,030.02

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Solution

The fourth proportional to 30,748.46, 46,140.23 and 12,030.02 is: 18,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,748.46 : 46,140.23 = 12,030.02 : x
  2. Step 2: Convert to fraction form
    30,748.46/46,140.23 = 12,030.02/x
  3. Step 3: Cross multiply
    30,748.46x = 46,140.23 × 12,030.02
  4. Step 4: Simplify right side
    30,748.46x = 555,067,862.10
  5. Step 5: Solve for x
    x = 555,067,862.10/30,748.46
  6. Step 6: Final answer
    x = 18,051.89

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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.