Home / 66,271.24-91,456.84-37,982.40

Finding the Fourth Proportional to 66,271.24, 91,456.84 and 37,982.40

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Solution

The fourth proportional to 66,271.24, 91,456.84 and 37,982.40 is: 52,417.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,271.24 : 91,456.84 = 37,982.40 : x
  2. Step 2: Convert to fraction form
    66,271.24/91,456.84 = 37,982.40/x
  3. Step 3: Cross multiply
    66,271.24x = 91,456.84 × 37,982.40
  4. Step 4: Simplify right side
    66,271.24x = 3,473,750,279.62
  5. Step 5: Solve for x
    x = 3,473,750,279.62/66,271.24
  6. Step 6: Final answer
    x = 52,417.16

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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.