Home / 30,075.39-45,113.18-10,353.69

Finding the Fourth Proportional to 30,075.39, 45,113.18 and 10,353.69

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Solution

The fourth proportional to 30,075.39, 45,113.18 and 10,353.69 is: 15,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,075.39 : 45,113.18 = 10,353.69 : x
  2. Step 2: Convert to fraction form
    30,075.39/45,113.18 = 10,353.69/x
  3. Step 3: Cross multiply
    30,075.39x = 45,113.18 × 10,353.69
  4. Step 4: Simplify right side
    30,075.39x = 467,087,828.87
  5. Step 5: Solve for x
    x = 467,087,828.87/30,075.39
  6. Step 6: Final answer
    x = 15,530.57

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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.