Home / 66,430.28-99,663.64-33,110.12

Finding the Fourth Proportional to 66,430.28, 99,663.64 and 33,110.12

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Solution

The fourth proportional to 66,430.28, 99,663.64 and 33,110.12 is: 49,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430.28 : 99,663.64 = 33,110.12 : x
  2. Step 2: Convert to fraction form
    66,430.28/99,663.64 = 33,110.12/x
  3. Step 3: Cross multiply
    66,430.28x = 99,663.64 × 33,110.12
  4. Step 4: Simplify right side
    66,430.28x = 3,299,875,080.04
  5. Step 5: Solve for x
    x = 3,299,875,080.04/66,430.28
  6. Step 6: Final answer
    x = 49,674.26

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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.