Home / 30,850.47-46,294.23-13,320.30

Finding the Fourth Proportional to 30,850.47, 46,294.23 and 13,320.30

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Solution

The fourth proportional to 30,850.47, 46,294.23 and 13,320.30 is: 19,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,850.47 : 46,294.23 = 13,320.30 : x
  2. Step 2: Convert to fraction form
    30,850.47/46,294.23 = 13,320.30/x
  3. Step 3: Cross multiply
    30,850.47x = 46,294.23 × 13,320.30
  4. Step 4: Simplify right side
    30,850.47x = 616,653,031.87
  5. Step 5: Solve for x
    x = 616,653,031.87/30,850.47
  6. Step 6: Final answer
    x = 19,988.45

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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.