Home / 30,282.80-45,430.28-10,556.06

Finding the Fourth Proportional to 30,282.80, 45,430.28 and 10,556.06

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Solution

The fourth proportional to 30,282.80, 45,430.28 and 10,556.06 is: 15,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,282.80 : 45,430.28 = 10,556.06 : x
  2. Step 2: Convert to fraction form
    30,282.80/45,430.28 = 10,556.06/x
  3. Step 3: Cross multiply
    30,282.80x = 45,430.28 × 10,556.06
  4. Step 4: Simplify right side
    30,282.80x = 479,564,901.46
  5. Step 5: Solve for x
    x = 479,564,901.46/30,282.80
  6. Step 6: Final answer
    x = 15,836.21

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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.