Home / 51,023.09-70,412.70-28,053.88

Finding the Fourth Proportional to 51,023.09, 70,412.70 and 28,053.88

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Solution

The fourth proportional to 51,023.09, 70,412.70 and 28,053.88 is: 38,714.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,023.09 : 70,412.70 = 28,053.88 : x
  2. Step 2: Convert to fraction form
    51,023.09/70,412.70 = 28,053.88/x
  3. Step 3: Cross multiply
    51,023.09x = 70,412.70 × 28,053.88
  4. Step 4: Simplify right side
    51,023.09x = 1,975,349,084.21
  5. Step 5: Solve for x
    x = 1,975,349,084.21/51,023.09
  6. Step 6: Final answer
    x = 38,714.81

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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.