Home / 40,345.36-60,465.48-20,607.28

Finding the Fourth Proportional to 40,345.36, 60,465.48 and 20,607.28

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Solution

The fourth proportional to 40,345.36, 60,465.48 and 20,607.28 is: 30,884.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,345.36 : 60,465.48 = 20,607.28 : x
  2. Step 2: Convert to fraction form
    40,345.36/60,465.48 = 20,607.28/x
  3. Step 3: Cross multiply
    40,345.36x = 60,465.48 × 20,607.28
  4. Step 4: Simplify right side
    40,345.36x = 1,246,029,076.69
  5. Step 5: Solve for x
    x = 1,246,029,076.69/40,345.36
  6. Step 6: Final answer
    x = 30,884.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.