Home / 66,271.74-91,457.53-37,982.90

Finding the Fourth Proportional to 66,271.74, 91,457.53 and 37,982.90

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Solution

The fourth proportional to 66,271.74, 91,457.53 and 37,982.90 is: 52,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,271.74 : 91,457.53 = 37,982.90 : x
  2. Step 2: Convert to fraction form
    66,271.74/91,457.53 = 37,982.90/x
  3. Step 3: Cross multiply
    66,271.74x = 91,457.53 × 37,982.90
  4. Step 4: Simplify right side
    66,271.74x = 3,473,822,216.24
  5. Step 5: Solve for x
    x = 3,473,822,216.24/66,271.74
  6. Step 6: Final answer
    x = 52,417.85

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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.