Home / 64,587.96-96,829.66-20,191.86

Finding the Fourth Proportional to 64,587.96, 96,829.66 and 20,191.86

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Solution

The fourth proportional to 64,587.96, 96,829.66 and 20,191.86 is: 30,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,587.96 : 96,829.66 = 20,191.86 : x
  2. Step 2: Convert to fraction form
    64,587.96/96,829.66 = 20,191.86/x
  3. Step 3: Cross multiply
    64,587.96x = 96,829.66 × 20,191.86
  4. Step 4: Simplify right side
    64,587.96x = 1,955,170,963.81
  5. Step 5: Solve for x
    x = 1,955,170,963.81/64,587.96
  6. Step 6: Final answer
    x = 30,271.45

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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.