Home / 51,248.12-70,719.18-28,590.44

Finding the Fourth Proportional to 51,248.12, 70,719.18 and 28,590.44

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Solution

The fourth proportional to 51,248.12, 70,719.18 and 28,590.44 is: 39,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,248.12 : 70,719.18 = 28,590.44 : x
  2. Step 2: Convert to fraction form
    51,248.12/70,719.18 = 28,590.44/x
  3. Step 3: Cross multiply
    51,248.12x = 70,719.18 × 28,590.44
  4. Step 4: Simplify right side
    51,248.12x = 2,021,892,472.64
  5. Step 5: Solve for x
    x = 2,021,892,472.64/51,248.12
  6. Step 6: Final answer
    x = 39,453.01

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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.