Home / 51,813.75-71,502.98-29,457.75

Finding the Fourth Proportional to 51,813.75, 71,502.98 and 29,457.75

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Solution

The fourth proportional to 51,813.75, 71,502.98 and 29,457.75 is: 40,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,813.75 : 71,502.98 = 29,457.75 : x
  2. Step 2: Convert to fraction form
    51,813.75/71,502.98 = 29,457.75/x
  3. Step 3: Cross multiply
    51,813.75x = 71,502.98 × 29,457.75
  4. Step 4: Simplify right side
    51,813.75x = 2,106,316,761.81
  5. Step 5: Solve for x
    x = 2,106,316,761.81/51,813.75
  6. Step 6: Final answer
    x = 40,651.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.