Home / 30,585.90-45,804.77-15,553.47

Finding the Fourth Proportional to 30,585.90, 45,804.77 and 15,553.47

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Solution

The fourth proportional to 30,585.90, 45,804.77 and 15,553.47 is: 23,292.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,585.90 : 45,804.77 = 15,553.47 : x
  2. Step 2: Convert to fraction form
    30,585.90/45,804.77 = 15,553.47/x
  3. Step 3: Cross multiply
    30,585.90x = 45,804.77 × 15,553.47
  4. Step 4: Simplify right side
    30,585.90x = 712,423,116.05
  5. Step 5: Solve for x
    x = 712,423,116.05/30,585.90
  6. Step 6: Final answer
    x = 23,292.53

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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.