Home / 64,971.72-97,457.58-15,723.72

Finding the Fourth Proportional to 64,971.72, 97,457.58 and 15,723.72

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Solution

The fourth proportional to 64,971.72, 97,457.58 and 15,723.72 is: 23,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,971.72 : 97,457.58 = 15,723.72 : x
  2. Step 2: Convert to fraction form
    64,971.72/97,457.58 = 15,723.72/x
  3. Step 3: Cross multiply
    64,971.72x = 97,457.58 × 15,723.72
  4. Step 4: Simplify right side
    64,971.72x = 1,532,395,699.80
  5. Step 5: Solve for x
    x = 1,532,395,699.80/64,971.72
  6. Step 6: Final answer
    x = 23,585.58

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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.