Home / 55,618.61-83,420.96-18,175.55

Finding the Fourth Proportional to 55,618.61, 83,420.96 and 18,175.55

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Solution

The fourth proportional to 55,618.61, 83,420.96 and 18,175.55 is: 27,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,618.61 : 83,420.96 = 18,175.55 : x
  2. Step 2: Convert to fraction form
    55,618.61/83,420.96 = 18,175.55/x
  3. Step 3: Cross multiply
    55,618.61x = 83,420.96 × 18,175.55
  4. Step 4: Simplify right side
    55,618.61x = 1,516,221,829.53
  5. Step 5: Solve for x
    x = 1,516,221,829.53/55,618.61
  6. Step 6: Final answer
    x = 27,261.05

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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.