Home / 42,699.04-64,049.48-11,110.32

Finding the Fourth Proportional to 42,699.04, 64,049.48 and 11,110.32

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Solution

The fourth proportional to 42,699.04, 64,049.48 and 11,110.32 is: 16,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,699.04 : 64,049.48 = 11,110.32 : x
  2. Step 2: Convert to fraction form
    42,699.04/64,049.48 = 11,110.32/x
  3. Step 3: Cross multiply
    42,699.04x = 64,049.48 × 11,110.32
  4. Step 4: Simplify right side
    42,699.04x = 711,610,218.63
  5. Step 5: Solve for x
    x = 711,610,218.63/42,699.04
  6. Step 6: Final answer
    x = 16,665.72

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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.