Home / 43,242.48-64,720.80-39,356.64

Finding the Fourth Proportional to 43,242.48, 64,720.80 and 39,356.64

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Solution

The fourth proportional to 43,242.48, 64,720.80 and 39,356.64 is: 58,904.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,242.48 : 64,720.80 = 39,356.64 : x
  2. Step 2: Convert to fraction form
    43,242.48/64,720.80 = 39,356.64/x
  3. Step 3: Cross multiply
    43,242.48x = 64,720.80 × 39,356.64
  4. Step 4: Simplify right side
    43,242.48x = 2,547,193,226.11
  5. Step 5: Solve for x
    x = 2,547,193,226.11/43,242.48
  6. Step 6: Final answer
    x = 58,904.88

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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.