Home / 64,530.40-96,795.60-17,783.20

Finding the Fourth Proportional to 64,530.40, 96,795.60 and 17,783.20

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Solution

The fourth proportional to 64,530.40, 96,795.60 and 17,783.20 is: 26,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,530.40 : 96,795.60 = 17,783.20 : x
  2. Step 2: Convert to fraction form
    64,530.40/96,795.60 = 17,783.20/x
  3. Step 3: Cross multiply
    64,530.40x = 96,795.60 × 17,783.20
  4. Step 4: Simplify right side
    64,530.40x = 1,721,335,513.92
  5. Step 5: Solve for x
    x = 1,721,335,513.92/64,530.40
  6. Step 6: Final answer
    x = 26,674.80

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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.