Home / 64,429.12-88,910.47-35,357.40

Finding the Fourth Proportional to 64,429.12, 88,910.47 and 35,357.40

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Solution

The fourth proportional to 64,429.12, 88,910.47 and 35,357.40 is: 48,792.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,429.12 : 88,910.47 = 35,357.40 : x
  2. Step 2: Convert to fraction form
    64,429.12/88,910.47 = 35,357.40/x
  3. Step 3: Cross multiply
    64,429.12x = 88,910.47 × 35,357.40
  4. Step 4: Simplify right side
    64,429.12x = 3,143,643,051.98
  5. Step 5: Solve for x
    x = 3,143,643,051.98/64,429.12
  6. Step 6: Final answer
    x = 48,792.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.