Home / 30,035.28-45,075.36-11,333.76

Finding the Fourth Proportional to 30,035.28, 45,075.36 and 11,333.76

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Solution

The fourth proportional to 30,035.28, 45,075.36 and 11,333.76 is: 17,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,035.28 : 45,075.36 = 11,333.76 : x
  2. Step 2: Convert to fraction form
    30,035.28/45,075.36 = 11,333.76/x
  3. Step 3: Cross multiply
    30,035.28x = 45,075.36 × 11,333.76
  4. Step 4: Simplify right side
    30,035.28x = 510,873,312.15
  5. Step 5: Solve for x
    x = 510,873,312.15/30,035.28
  6. Step 6: Final answer
    x = 17,009.11

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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.