Home / 40,726.89-56,280.31-30,637.82

Finding the Fourth Proportional to 40,726.89, 56,280.31 and 30,637.82

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Solution

The fourth proportional to 40,726.89, 56,280.31 and 30,637.82 is: 42,338.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,726.89 : 56,280.31 = 30,637.82 : x
  2. Step 2: Convert to fraction form
    40,726.89/56,280.31 = 30,637.82/x
  3. Step 3: Cross multiply
    40,726.89x = 56,280.31 × 30,637.82
  4. Step 4: Simplify right side
    40,726.89x = 1,724,305,967.00
  5. Step 5: Solve for x
    x = 1,724,305,967.00/40,726.89
  6. Step 6: Final answer
    x = 42,338.26

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1.5x scale

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.