Home / 30,248.40-45,381.84-15,467.70

Finding the Fourth Proportional to 30,248.40, 45,381.84 and 15,467.70

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Solution

The fourth proportional to 30,248.40, 45,381.84 and 15,467.70 is: 23,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248.40 : 45,381.84 = 15,467.70 : x
  2. Step 2: Convert to fraction form
    30,248.40/45,381.84 = 15,467.70/x
  3. Step 3: Cross multiply
    30,248.40x = 45,381.84 × 15,467.70
  4. Step 4: Simplify right side
    30,248.40x = 701,952,798.75
  5. Step 5: Solve for x
    x = 701,952,798.75/30,248.40
  6. Step 6: Final answer
    x = 23,206.28

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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.