Home / 40,162.84-55,355.54-26,710.05

Finding the Fourth Proportional to 40,162.84, 55,355.54 and 26,710.05

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Solution

The fourth proportional to 40,162.84, 55,355.54 and 26,710.05 is: 36,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,162.84 : 55,355.54 = 26,710.05 : x
  2. Step 2: Convert to fraction form
    40,162.84/55,355.54 = 26,710.05/x
  3. Step 3: Cross multiply
    40,162.84x = 55,355.54 × 26,710.05
  4. Step 4: Simplify right side
    40,162.84x = 1,478,549,315.21
  5. Step 5: Solve for x
    x = 1,478,549,315.21/40,162.84
  6. Step 6: Final answer
    x = 36,813.87

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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.