Home / 51,036.48-70,432.67-28,377.77

Finding the Fourth Proportional to 51,036.48, 70,432.67 and 28,377.77

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Solution

The fourth proportional to 51,036.48, 70,432.67 and 28,377.77 is: 39,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,036.48 : 70,432.67 = 28,377.77 : x
  2. Step 2: Convert to fraction form
    51,036.48/70,432.67 = 28,377.77/x
  3. Step 3: Cross multiply
    51,036.48x = 70,432.67 × 28,377.77
  4. Step 4: Simplify right side
    51,036.48x = 1,998,721,828.53
  5. Step 5: Solve for x
    x = 1,998,721,828.53/51,036.48
  6. Step 6: Final answer
    x = 39,162.61

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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.