Home / 36,030.53-54,045.60-12,338.29

Finding the Fourth Proportional to 36,030.53, 54,045.60 and 12,338.29

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Solution

The fourth proportional to 36,030.53, 54,045.60 and 12,338.29 is: 18,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,030.53 : 54,045.60 = 12,338.29 : x
  2. Step 2: Convert to fraction form
    36,030.53/54,045.60 = 12,338.29/x
  3. Step 3: Cross multiply
    36,030.53x = 54,045.60 × 12,338.29
  4. Step 4: Simplify right side
    36,030.53x = 666,830,003.31
  5. Step 5: Solve for x
    x = 666,830,003.31/36,030.53
  6. Step 6: Final answer
    x = 18,507.36

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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.