Home / 56,837.04-85,280.12-30,511

Finding the Fourth Proportional to 56,837.04, 85,280.12 and 30,511

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Solution

The fourth proportional to 56,837.04, 85,280.12 and 30,511 is: 45,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,837.04 : 85,280.12 = 30,511 : x
  2. Step 2: Convert to fraction form
    56,837.04/85,280.12 = 30,511/x
  3. Step 3: Cross multiply
    56,837.04x = 85,280.12 × 30,511
  4. Step 4: Simplify right side
    56,837.04x = 2,601,981,741.32
  5. Step 5: Solve for x
    x = 2,601,981,741.32/56,837.04
  6. Step 6: Final answer
    x = 45,779.68

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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.