Home / 30,205.51-45,296.71-9,937.55

Finding the Fourth Proportional to 30,205.51, 45,296.71 and 9,937.55

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Solution

The fourth proportional to 30,205.51, 45,296.71 and 9,937.55 is: 14,902.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,205.51 : 45,296.71 = 9,937.55 : x
  2. Step 2: Convert to fraction form
    30,205.51/45,296.71 = 9,937.55/x
  3. Step 3: Cross multiply
    30,205.51x = 45,296.71 × 9,937.55
  4. Step 4: Simplify right side
    30,205.51x = 450,138,209.96
  5. Step 5: Solve for x
    x = 450,138,209.96/30,205.51
  6. Step 6: Final answer
    x = 14,902.52

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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.