Home / 64,707.18-97,070.58-20,329.77

Finding the Fourth Proportional to 64,707.18, 97,070.58 and 20,329.77

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Solution

The fourth proportional to 64,707.18, 97,070.58 and 20,329.77 is: 30,497.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,707.18 : 97,070.58 = 20,329.77 : x
  2. Step 2: Convert to fraction form
    64,707.18/97,070.58 = 20,329.77/x
  3. Step 3: Cross multiply
    64,707.18x = 97,070.58 × 20,329.77
  4. Step 4: Simplify right side
    64,707.18x = 1,973,422,565.17
  5. Step 5: Solve for x
    x = 1,973,422,565.17/64,707.18
  6. Step 6: Final answer
    x = 30,497.74

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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.