Home / 56,726.12-78,276.39-32,860.46

Finding the Fourth Proportional to 56,726.12, 78,276.39 and 32,860.46

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Solution

The fourth proportional to 56,726.12, 78,276.39 and 32,860.46 is: 45,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,726.12 : 78,276.39 = 32,860.46 : x
  2. Step 2: Convert to fraction form
    56,726.12/78,276.39 = 32,860.46/x
  3. Step 3: Cross multiply
    56,726.12x = 78,276.39 × 32,860.46
  4. Step 4: Simplify right side
    56,726.12x = 2,572,198,182.54
  5. Step 5: Solve for x
    x = 2,572,198,182.54/56,726.12
  6. Step 6: Final answer
    x = 45,344.16

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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.