Home / 56,643.30-78,165.75-36,501.03

Finding the Fourth Proportional to 56,643.30, 78,165.75 and 36,501.03

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Solution

The fourth proportional to 56,643.30, 78,165.75 and 36,501.03 is: 50,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,643.30 : 78,165.75 = 36,501.03 : x
  2. Step 2: Convert to fraction form
    56,643.30/78,165.75 = 36,501.03/x
  3. Step 3: Cross multiply
    56,643.30x = 78,165.75 × 36,501.03
  4. Step 4: Simplify right side
    56,643.30x = 2,853,130,385.72
  5. Step 5: Solve for x
    x = 2,853,130,385.72/56,643.30
  6. Step 6: Final answer
    x = 50,370.13

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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.