Home / 40,588.05-60,888.75-12,508.12

Finding the Fourth Proportional to 40,588.05, 60,888.75 and 12,508.12

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Solution

The fourth proportional to 40,588.05, 60,888.75 and 12,508.12 is: 18,764.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,588.05 : 60,888.75 = 12,508.12 : x
  2. Step 2: Convert to fraction form
    40,588.05/60,888.75 = 12,508.12/x
  3. Step 3: Cross multiply
    40,588.05x = 60,888.75 × 12,508.12
  4. Step 4: Simplify right side
    40,588.05x = 761,603,820.86
  5. Step 5: Solve for x
    x = 761,603,820.86/40,588.05
  6. Step 6: Final answer
    x = 18,764.24

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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.