Home / 40,509.12-55,905.74-22,363.40

Finding the Fourth Proportional to 40,509.12, 55,905.74 and 22,363.40

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Solution

The fourth proportional to 40,509.12, 55,905.74 and 22,363.40 is: 30,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,509.12 : 55,905.74 = 22,363.40 : x
  2. Step 2: Convert to fraction form
    40,509.12/55,905.74 = 22,363.40/x
  3. Step 3: Cross multiply
    40,509.12x = 55,905.74 × 22,363.40
  4. Step 4: Simplify right side
    40,509.12x = 1,250,242,034.57
  5. Step 5: Solve for x
    x = 1,250,242,034.57/40,509.12
  6. Step 6: Final answer
    x = 30,863.22

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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.