Home / 30,071.77-45,111.84-12,537.57

Finding the Fourth Proportional to 30,071.77, 45,111.84 and 12,537.57

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Solution

The fourth proportional to 30,071.77, 45,111.84 and 12,537.57 is: 18,808.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,071.77 : 45,111.84 = 12,537.57 : x
  2. Step 2: Convert to fraction form
    30,071.77/45,111.84 = 12,537.57/x
  3. Step 3: Cross multiply
    30,071.77x = 45,111.84 × 12,537.57
  4. Step 4: Simplify right side
    30,071.77x = 565,592,626.27
  5. Step 5: Solve for x
    x = 565,592,626.27/30,071.77
  6. Step 6: Final answer
    x = 18,808.09

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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.