Home / 30,102.08-45,155.05-10,110.77

Finding the Fourth Proportional to 30,102.08, 45,155.05 and 10,110.77

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Solution

The fourth proportional to 30,102.08, 45,155.05 and 10,110.77 is: 15,166.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,102.08 : 45,155.05 = 10,110.77 : x
  2. Step 2: Convert to fraction form
    30,102.08/45,155.05 = 10,110.77/x
  3. Step 3: Cross multiply
    30,102.08x = 45,155.05 × 10,110.77
  4. Step 4: Simplify right side
    30,102.08x = 456,552,073.84
  5. Step 5: Solve for x
    x = 456,552,073.84/30,102.08
  6. Step 6: Final answer
    x = 15,166.79

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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.