Home / 51,154.16-70,596.28-31,011.89

Finding the Fourth Proportional to 51,154.16, 70,596.28 and 31,011.89

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Solution

The fourth proportional to 51,154.16, 70,596.28 and 31,011.89 is: 42,798.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,154.16 : 70,596.28 = 31,011.89 : x
  2. Step 2: Convert to fraction form
    51,154.16/70,596.28 = 31,011.89/x
  3. Step 3: Cross multiply
    51,154.16x = 70,596.28 × 31,011.89
  4. Step 4: Simplify right side
    51,154.16x = 2,189,324,069.77
  5. Step 5: Solve for x
    x = 2,189,324,069.77/51,154.16
  6. Step 6: Final answer
    x = 42,798.55

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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.