Home / 30,528.56-45,799.81-11,808.66

Finding the Fourth Proportional to 30,528.56, 45,799.81 and 11,808.66

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Solution

The fourth proportional to 30,528.56, 45,799.81 and 11,808.66 is: 17,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528.56 : 45,799.81 = 11,808.66 : x
  2. Step 2: Convert to fraction form
    30,528.56/45,799.81 = 11,808.66/x
  3. Step 3: Cross multiply
    30,528.56x = 45,799.81 × 11,808.66
  4. Step 4: Simplify right side
    30,528.56x = 540,834,384.35
  5. Step 5: Solve for x
    x = 540,834,384.35/30,528.56
  6. Step 6: Final answer
    x = 17,715.69

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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.