Home / 51,347.72-70,864.62-31,199.96

Finding the Fourth Proportional to 51,347.72, 70,864.62 and 31,199.96

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Solution

The fourth proportional to 51,347.72, 70,864.62 and 31,199.96 is: 43,058.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,347.72 : 70,864.62 = 31,199.96 : x
  2. Step 2: Convert to fraction form
    51,347.72/70,864.62 = 31,199.96/x
  3. Step 3: Cross multiply
    51,347.72x = 70,864.62 × 31,199.96
  4. Step 4: Simplify right side
    51,347.72x = 2,210,973,309.42
  5. Step 5: Solve for x
    x = 2,210,973,309.42/51,347.72
  6. Step 6: Final answer
    x = 43,058.84

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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.