Home / 64,114.20-88,476.30-38,971.80

Finding the Fourth Proportional to 64,114.20, 88,476.30 and 38,971.80

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Solution

The fourth proportional to 64,114.20, 88,476.30 and 38,971.80 is: 53,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,114.20 : 88,476.30 = 38,971.80 : x
  2. Step 2: Convert to fraction form
    64,114.20/88,476.30 = 38,971.80/x
  3. Step 3: Cross multiply
    64,114.20x = 88,476.30 × 38,971.80
  4. Step 4: Simplify right side
    64,114.20x = 3,448,080,668.34
  5. Step 5: Solve for x
    x = 3,448,080,668.34/64,114.20
  6. Step 6: Final answer
    x = 53,780.30

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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.