Home / 51,033.03-70,427.10-28,061.65

Finding the Fourth Proportional to 51,033.03, 70,427.10 and 28,061.65

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Solution

The fourth proportional to 51,033.03, 70,427.10 and 28,061.65 is: 38,725.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,033.03 : 70,427.10 = 28,061.65 : x
  2. Step 2: Convert to fraction form
    51,033.03/70,427.10 = 28,061.65/x
  3. Step 3: Cross multiply
    51,033.03x = 70,427.10 × 28,061.65
  4. Step 4: Simplify right side
    51,033.03x = 1,976,300,630.72
  5. Step 5: Solve for x
    x = 1,976,300,630.72/51,033.03
  6. Step 6: Final answer
    x = 38,725.91

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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.