Home / 51,154.11-70,596.21-31,011.84

Finding the Fourth Proportional to 51,154.11, 70,596.21 and 31,011.84

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Solution

The fourth proportional to 51,154.11, 70,596.21 and 31,011.84 is: 42,798.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,154.11 : 70,596.21 = 31,011.84 : x
  2. Step 2: Convert to fraction form
    51,154.11/70,596.21 = 31,011.84/x
  3. Step 3: Cross multiply
    51,154.11x = 70,596.21 × 31,011.84
  4. Step 4: Simplify right side
    51,154.11x = 2,189,318,369.13
  5. Step 5: Solve for x
    x = 2,189,318,369.13/51,154.11
  6. Step 6: Final answer
    x = 42,798.48

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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.