Home / 56,808.23-78,537.08-42,636.47

Finding the Fourth Proportional to 56,808.23, 78,537.08 and 42,636.47

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Solution

The fourth proportional to 56,808.23, 78,537.08 and 42,636.47 is: 58,944.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,808.23 : 78,537.08 = 42,636.47 : x
  2. Step 2: Convert to fraction form
    56,808.23/78,537.08 = 42,636.47/x
  3. Step 3: Cross multiply
    56,808.23x = 78,537.08 × 42,636.47
  4. Step 4: Simplify right side
    56,808.23x = 3,348,543,642.13
  5. Step 5: Solve for x
    x = 3,348,543,642.13/56,808.23
  6. Step 6: Final answer
    x = 58,944.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.