Home / 56,281.42-84,426.52-18,841.60

Finding the Fourth Proportional to 56,281.42, 84,426.52 and 18,841.60

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Solution

The fourth proportional to 56,281.42, 84,426.52 and 18,841.60 is: 28,263.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,281.42 : 84,426.52 = 18,841.60 : x
  2. Step 2: Convert to fraction form
    56,281.42/84,426.52 = 18,841.60/x
  3. Step 3: Cross multiply
    56,281.42x = 84,426.52 × 18,841.60
  4. Step 4: Simplify right side
    56,281.42x = 1,590,730,719.23
  5. Step 5: Solve for x
    x = 1,590,730,719.23/56,281.42
  6. Step 6: Final answer
    x = 28,263.87

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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.