Home / 30,636.80-45,955.52-13,095.68

Finding the Fourth Proportional to 30,636.80, 45,955.52 and 13,095.68

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Solution

The fourth proportional to 30,636.80, 45,955.52 and 13,095.68 is: 19,643.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,636.80 : 45,955.52 = 13,095.68 : x
  2. Step 2: Convert to fraction form
    30,636.80/45,955.52 = 13,095.68/x
  3. Step 3: Cross multiply
    30,636.80x = 45,955.52 × 13,095.68
  4. Step 4: Simplify right side
    30,636.80x = 601,818,784.15
  5. Step 5: Solve for x
    x = 601,818,784.15/30,636.80
  6. Step 6: Final answer
    x = 19,643.66

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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.