Home / 30,070.75-45,103.08-10,350.71

Finding the Fourth Proportional to 30,070.75, 45,103.08 and 10,350.71

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Solution

The fourth proportional to 30,070.75, 45,103.08 and 10,350.71 is: 15,525.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,070.75 : 45,103.08 = 10,350.71 : x
  2. Step 2: Convert to fraction form
    30,070.75/45,103.08 = 10,350.71/x
  3. Step 3: Cross multiply
    30,070.75x = 45,103.08 × 10,350.71
  4. Step 4: Simplify right side
    30,070.75x = 466,848,901.19
  5. Step 5: Solve for x
    x = 466,848,901.19/30,070.75
  6. Step 6: Final answer
    x = 15,525.02

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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.