Home / 64,256.09-88,662.85-40,365.84

Finding the Fourth Proportional to 64,256.09, 88,662.85 and 40,365.84

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Solution

The fourth proportional to 64,256.09, 88,662.85 and 40,365.84 is: 55,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,256.09 : 88,662.85 = 40,365.84 : x
  2. Step 2: Convert to fraction form
    64,256.09/88,662.85 = 40,365.84/x
  3. Step 3: Cross multiply
    64,256.09x = 88,662.85 × 40,365.84
  4. Step 4: Simplify right side
    64,256.09x = 3,578,950,875.67
  5. Step 5: Solve for x
    x = 3,578,950,875.67/64,256.09
  6. Step 6: Final answer
    x = 55,698.24

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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.