Home / 51,926.47-77,890.05-18,646.84

Finding the Fourth Proportional to 51,926.47, 77,890.05 and 18,646.84

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Solution

The fourth proportional to 51,926.47, 77,890.05 and 18,646.84 is: 27,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,926.47 : 77,890.05 = 18,646.84 : x
  2. Step 2: Convert to fraction form
    51,926.47/77,890.05 = 18,646.84/x
  3. Step 3: Cross multiply
    51,926.47x = 77,890.05 × 18,646.84
  4. Step 4: Simplify right side
    51,926.47x = 1,452,403,299.94
  5. Step 5: Solve for x
    x = 1,452,403,299.94/51,926.47
  6. Step 6: Final answer
    x = 27,970.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.