Home / 30,293.76-45,437.40-10,572.70

Finding the Fourth Proportional to 30,293.76, 45,437.40 and 10,572.70

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Solution

The fourth proportional to 30,293.76, 45,437.40 and 10,572.70 is: 15,857.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,293.76 : 45,437.40 = 10,572.70 : x
  2. Step 2: Convert to fraction form
    30,293.76/45,437.40 = 10,572.70/x
  3. Step 3: Cross multiply
    30,293.76x = 45,437.40 × 10,572.70
  4. Step 4: Simplify right side
    30,293.76x = 480,395,998.98
  5. Step 5: Solve for x
    x = 480,395,998.98/30,293.76
  6. Step 6: Final answer
    x = 15,857.92

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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.