Home / 40,416.72-60,637.08-20,709.12

Finding the Fourth Proportional to 40,416.72, 60,637.08 and 20,709.12

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Solution

The fourth proportional to 40,416.72, 60,637.08 and 20,709.12 is: 31,069.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,416.72 : 60,637.08 = 20,709.12 : x
  2. Step 2: Convert to fraction form
    40,416.72/60,637.08 = 20,709.12/x
  3. Step 3: Cross multiply
    40,416.72x = 60,637.08 × 20,709.12
  4. Step 4: Simplify right side
    40,416.72x = 1,255,740,566.17
  5. Step 5: Solve for x
    x = 1,255,740,566.17/40,416.72
  6. Step 6: Final answer
    x = 31,069.83

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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.