Home / 51,036.24-70,436.52-28,680.24

Finding the Fourth Proportional to 51,036.24, 70,436.52 and 28,680.24

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Solution

The fourth proportional to 51,036.24, 70,436.52 and 28,680.24 is: 39,582.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,036.24 : 70,436.52 = 28,680.24 : x
  2. Step 2: Convert to fraction form
    51,036.24/70,436.52 = 28,680.24/x
  3. Step 3: Cross multiply
    51,036.24x = 70,436.52 × 28,680.24
  4. Step 4: Simplify right side
    51,036.24x = 2,020,136,298.36
  5. Step 5: Solve for x
    x = 2,020,136,298.36/51,036.24
  6. Step 6: Final answer
    x = 39,582.39

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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.