Home / 30,011.48-45,017.22-11,530.52

Finding the Fourth Proportional to 30,011.48, 45,017.22 and 11,530.52

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Solution

The fourth proportional to 30,011.48, 45,017.22 and 11,530.52 is: 17,295.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,011.48 : 45,017.22 = 11,530.52 : x
  2. Step 2: Convert to fraction form
    30,011.48/45,017.22 = 11,530.52/x
  3. Step 3: Cross multiply
    30,011.48x = 45,017.22 × 11,530.52
  4. Step 4: Simplify right side
    30,011.48x = 519,071,955.55
  5. Step 5: Solve for x
    x = 519,071,955.55/30,011.48
  6. Step 6: Final answer
    x = 17,295.78

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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.