Home / 51,056.20-70,459.30-28,401.56

Finding the Fourth Proportional to 51,056.20, 70,459.30 and 28,401.56

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Solution

The fourth proportional to 51,056.20, 70,459.30 and 28,401.56 is: 39,195.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,056.20 : 70,459.30 = 28,401.56 : x
  2. Step 2: Convert to fraction form
    51,056.20/70,459.30 = 28,401.56/x
  3. Step 3: Cross multiply
    51,056.20x = 70,459.30 × 28,401.56
  4. Step 4: Simplify right side
    51,056.20x = 2,001,154,036.51
  5. Step 5: Solve for x
    x = 2,001,154,036.51/51,056.20
  6. Step 6: Final answer
    x = 39,195.12

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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.