Home / 30,052.80-45,068.16-10,325.76

Finding the Fourth Proportional to 30,052.80, 45,068.16 and 10,325.76

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Solution

The fourth proportional to 30,052.80, 45,068.16 and 10,325.76 is: 15,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,052.80 : 45,068.16 = 10,325.76 : x
  2. Step 2: Convert to fraction form
    30,052.80/45,068.16 = 10,325.76/x
  3. Step 3: Cross multiply
    30,052.80x = 45,068.16 × 10,325.76
  4. Step 4: Simplify right side
    30,052.80x = 465,363,003.80
  5. Step 5: Solve for x
    x = 465,363,003.80/30,052.80
  6. Step 6: Final answer
    x = 15,484.85

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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.