Home / 37,681.08-51,999.94-20,685.42

Finding the Fourth Proportional to 37,681.08, 51,999.94 and 20,685.42

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Solution

The fourth proportional to 37,681.08, 51,999.94 and 20,685.42 is: 28,545.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,681.08 : 51,999.94 = 20,685.42 : x
  2. Step 2: Convert to fraction form
    37,681.08/51,999.94 = 20,685.42/x
  3. Step 3: Cross multiply
    37,681.08x = 51,999.94 × 20,685.42
  4. Step 4: Simplify right side
    37,681.08x = 1,075,640,598.87
  5. Step 5: Solve for x
    x = 1,075,640,598.87/37,681.08
  6. Step 6: Final answer
    x = 28,545.91

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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.