Home / 40,061.45-55,284.53-22,155.80

Finding the Fourth Proportional to 40,061.45, 55,284.53 and 22,155.80

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Solution

The fourth proportional to 40,061.45, 55,284.53 and 22,155.80 is: 30,574.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,061.45 : 55,284.53 = 22,155.80 : x
  2. Step 2: Convert to fraction form
    40,061.45/55,284.53 = 22,155.80/x
  3. Step 3: Cross multiply
    40,061.45x = 55,284.53 × 22,155.80
  4. Step 4: Simplify right side
    40,061.45x = 1,224,872,602.57
  5. Step 5: Solve for x
    x = 1,224,872,602.57/40,061.45
  6. Step 6: Final answer
    x = 30,574.84

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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.