Home / 45,168.36-62,383.50-30,803.64

Finding the Fourth Proportional to 45,168.36, 62,383.50 and 30,803.64

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Solution

The fourth proportional to 45,168.36, 62,383.50 and 30,803.64 is: 42,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,168.36 : 62,383.50 = 30,803.64 : x
  2. Step 2: Convert to fraction form
    45,168.36/62,383.50 = 30,803.64/x
  3. Step 3: Cross multiply
    45,168.36x = 62,383.50 × 30,803.64
  4. Step 4: Simplify right side
    45,168.36x = 1,921,638,875.94
  5. Step 5: Solve for x
    x = 1,921,638,875.94/45,168.36
  6. Step 6: Final answer
    x = 42,543.92

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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.