Home / 51,212.39-70,666.09-28,548.65

Finding the Fourth Proportional to 51,212.39, 70,666.09 and 28,548.65

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Solution

The fourth proportional to 51,212.39, 70,666.09 and 28,548.65 is: 39,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,212.39 : 70,666.09 = 28,548.65 : x
  2. Step 2: Convert to fraction form
    51,212.39/70,666.09 = 28,548.65/x
  3. Step 3: Cross multiply
    51,212.39x = 70,666.09 × 28,548.65
  4. Step 4: Simplify right side
    51,212.39x = 2,017,421,575.57
  5. Step 5: Solve for x
    x = 2,017,421,575.57/51,212.39
  6. Step 6: Final answer
    x = 39,393.24

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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.