Home / 51,006.07-70,388.11-28,036.42

Finding the Fourth Proportional to 51,006.07, 70,388.11 and 28,036.42

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Solution

The fourth proportional to 51,006.07, 70,388.11 and 28,036.42 is: 38,690.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,006.07 : 70,388.11 = 28,036.42 : x
  2. Step 2: Convert to fraction form
    51,006.07/70,388.11 = 28,036.42/x
  3. Step 3: Cross multiply
    51,006.07x = 70,388.11 × 28,036.42
  4. Step 4: Simplify right side
    51,006.07x = 1,973,430,614.97
  5. Step 5: Solve for x
    x = 1,973,430,614.97/51,006.07
  6. Step 6: Final answer
    x = 38,690.11

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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.