Home / 45,038.38-67,567.23-13,450.93

Finding the Fourth Proportional to 45,038.38, 67,567.23 and 13,450.93

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Solution

The fourth proportional to 45,038.38, 67,567.23 and 13,450.93 is: 20,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,038.38 : 67,567.23 = 13,450.93 : x
  2. Step 2: Convert to fraction form
    45,038.38/67,567.23 = 13,450.93/x
  3. Step 3: Cross multiply
    45,038.38x = 67,567.23 × 13,450.93
  4. Step 4: Simplify right side
    45,038.38x = 908,842,081.02
  5. Step 5: Solve for x
    x = 908,842,081.02/45,038.38
  6. Step 6: Final answer
    x = 20,179.28

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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.