Home / 55,588.98-83,457.74-31,920.18

Finding the Fourth Proportional to 55,588.98, 83,457.74 and 31,920.18

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Solution

The fourth proportional to 55,588.98, 83,457.74 and 31,920.18 is: 47,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,588.98 : 83,457.74 = 31,920.18 : x
  2. Step 2: Convert to fraction form
    55,588.98/83,457.74 = 31,920.18/x
  3. Step 3: Cross multiply
    55,588.98x = 83,457.74 × 31,920.18
  4. Step 4: Simplify right side
    55,588.98x = 2,663,985,850.03
  5. Step 5: Solve for x
    x = 2,663,985,850.03/55,588.98
  6. Step 6: Final answer
    x = 47,922.91

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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.