Home / 63,510.16-87,571.75-51,988.42

Finding the Fourth Proportional to 63,510.16, 87,571.75 and 51,988.42

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Solution

The fourth proportional to 63,510.16, 87,571.75 and 51,988.42 is: 71,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,510.16 : 87,571.75 = 51,988.42 : x
  2. Step 2: Convert to fraction form
    63,510.16/87,571.75 = 51,988.42/x
  3. Step 3: Cross multiply
    63,510.16x = 87,571.75 × 51,988.42
  4. Step 4: Simplify right side
    63,510.16x = 4,552,716,221.33
  5. Step 5: Solve for x
    x = 4,552,716,221.33/63,510.16
  6. Step 6: Final answer
    x = 71,684.85

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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.