Home / 63,383.38-87,430.80-40,714.72

Finding the Fourth Proportional to 63,383.38, 87,430.80 and 40,714.72

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Solution

The fourth proportional to 63,383.38, 87,430.80 and 40,714.72 is: 56,161.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,383.38 : 87,430.80 = 40,714.72 : x
  2. Step 2: Convert to fraction form
    63,383.38/87,430.80 = 40,714.72/x
  3. Step 3: Cross multiply
    63,383.38x = 87,430.80 × 40,714.72
  4. Step 4: Simplify right side
    63,383.38x = 3,559,720,541.38
  5. Step 5: Solve for x
    x = 3,559,720,541.38/63,383.38
  6. Step 6: Final answer
    x = 56,161.73

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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.