Home / 64,412.55-96,638.94-28,903.64

Finding the Fourth Proportional to 64,412.55, 96,638.94 and 28,903.64

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Solution

The fourth proportional to 64,412.55, 96,638.94 and 28,903.64 is: 43,364.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,412.55 : 96,638.94 = 28,903.64 : x
  2. Step 2: Convert to fraction form
    64,412.55/96,638.94 = 28,903.64/x
  3. Step 3: Cross multiply
    64,412.55x = 96,638.94 × 28,903.64
  4. Step 4: Simplify right side
    64,412.55x = 2,793,216,648.55
  5. Step 5: Solve for x
    x = 2,793,216,648.55/64,412.55
  6. Step 6: Final answer
    x = 43,364.48

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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.