Home / 30,726.06-42,407.37-29,323.65

Finding the Fourth Proportional to 30,726.06, 42,407.37 and 29,323.65

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Solution

The fourth proportional to 30,726.06, 42,407.37 and 29,323.65 is: 40,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,726.06 : 42,407.37 = 29,323.65 : x
  2. Step 2: Convert to fraction form
    30,726.06/42,407.37 = 29,323.65/x
  3. Step 3: Cross multiply
    30,726.06x = 42,407.37 × 29,323.65
  4. Step 4: Simplify right side
    30,726.06x = 1,243,538,875.30
  5. Step 5: Solve for x
    x = 1,243,538,875.30/30,726.06
  6. Step 6: Final answer
    x = 40,471.80

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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.