Home / 45,163.48-67,730.86-42,215.13

Finding the Fourth Proportional to 45,163.48, 67,730.86 and 42,215.13

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Solution

The fourth proportional to 45,163.48, 67,730.86 and 42,215.13 is: 63,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,163.48 : 67,730.86 = 42,215.13 : x
  2. Step 2: Convert to fraction form
    45,163.48/67,730.86 = 42,215.13/x
  3. Step 3: Cross multiply
    45,163.48x = 67,730.86 × 42,215.13
  4. Step 4: Simplify right side
    45,163.48x = 2,859,266,721.26
  5. Step 5: Solve for x
    x = 2,859,266,721.26/45,163.48
  6. Step 6: Final answer
    x = 63,309.26

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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.