Home / 40,537.08-60,805.62-12,457.08

Finding the Fourth Proportional to 40,537.08, 60,805.62 and 12,457.08

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Solution

The fourth proportional to 40,537.08, 60,805.62 and 12,457.08 is: 18,685.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,537.08 : 60,805.62 = 12,457.08 : x
  2. Step 2: Convert to fraction form
    40,537.08/60,805.62 = 12,457.08/x
  3. Step 3: Cross multiply
    40,537.08x = 60,805.62 × 12,457.08
  4. Step 4: Simplify right side
    40,537.08x = 757,460,472.79
  5. Step 5: Solve for x
    x = 757,460,472.79/40,537.08
  6. Step 6: Final answer
    x = 18,685.62

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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.