Home / 51,828.96-71,430.24-38,995.02

Finding the Fourth Proportional to 51,828.96, 71,430.24 and 38,995.02

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Solution

The fourth proportional to 51,828.96, 71,430.24 and 38,995.02 is: 53,742.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,828.96 : 71,430.24 = 38,995.02 : x
  2. Step 2: Convert to fraction form
    51,828.96/71,430.24 = 38,995.02/x
  3. Step 3: Cross multiply
    51,828.96x = 71,430.24 × 38,995.02
  4. Step 4: Simplify right side
    51,828.96x = 2,785,423,637.40
  5. Step 5: Solve for x
    x = 2,785,423,637.40/51,828.96
  6. Step 6: Final answer
    x = 53,742.61

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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.