Home / 64,699.32-97,016.58-20,325.50

Finding the Fourth Proportional to 64,699.32, 97,016.58 and 20,325.50

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Solution

The fourth proportional to 64,699.32, 97,016.58 and 20,325.50 is: 30,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,699.32 : 97,016.58 = 20,325.50 : x
  2. Step 2: Convert to fraction form
    64,699.32/97,016.58 = 20,325.50/x
  3. Step 3: Cross multiply
    64,699.32x = 97,016.58 × 20,325.50
  4. Step 4: Simplify right side
    64,699.32x = 1,971,910,011.71
  5. Step 5: Solve for x
    x = 1,971,910,011.71/64,699.32
  6. Step 6: Final answer
    x = 30,478.06

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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.