Home / 56,531.21-84,798.63-28,435.94

Finding the Fourth Proportional to 56,531.21, 84,798.63 and 28,435.94

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Solution

The fourth proportional to 56,531.21, 84,798.63 and 28,435.94 is: 42,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,531.21 : 84,798.63 = 28,435.94 : x
  2. Step 2: Convert to fraction form
    56,531.21/84,798.63 = 28,435.94/x
  3. Step 3: Cross multiply
    56,531.21x = 84,798.63 × 28,435.94
  4. Step 4: Simplify right side
    56,531.21x = 2,411,328,330.77
  5. Step 5: Solve for x
    x = 2,411,328,330.77/56,531.21
  6. Step 6: Final answer
    x = 42,654.82

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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.