Home / 56,739.10-85,108.65-39,243.10

Finding the Fourth Proportional to 56,739.10, 85,108.65 and 39,243.10

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Solution

The fourth proportional to 56,739.10, 85,108.65 and 39,243.10 is: 58,864.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,739.10 : 85,108.65 = 39,243.10 : x
  2. Step 2: Convert to fraction form
    56,739.10/85,108.65 = 39,243.10/x
  3. Step 3: Cross multiply
    56,739.10x = 85,108.65 × 39,243.10
  4. Step 4: Simplify right side
    56,739.10x = 3,339,927,262.82
  5. Step 5: Solve for x
    x = 3,339,927,262.82/56,739.10
  6. Step 6: Final answer
    x = 58,864.65

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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.