Home / 30,210.84-45,277.92-17,070.57

Finding the Fourth Proportional to 30,210.84, 45,277.92 and 17,070.57

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Solution

The fourth proportional to 30,210.84, 45,277.92 and 17,070.57 is: 25,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,210.84 : 45,277.92 = 17,070.57 : x
  2. Step 2: Convert to fraction form
    30,210.84/45,277.92 = 17,070.57/x
  3. Step 3: Cross multiply
    30,210.84x = 45,277.92 × 17,070.57
  4. Step 4: Simplify right side
    30,210.84x = 772,919,902.81
  5. Step 5: Solve for x
    x = 772,919,902.81/30,210.84
  6. Step 6: Final answer
    x = 25,584.19

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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.