Home / 30,197.21-45,275.16-15,377.45

Finding the Fourth Proportional to 30,197.21, 45,275.16 and 15,377.45

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Solution

The fourth proportional to 30,197.21, 45,275.16 and 15,377.45 is: 23,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,197.21 : 45,275.16 = 15,377.45 : x
  2. Step 2: Convert to fraction form
    30,197.21/45,275.16 = 15,377.45/x
  3. Step 3: Cross multiply
    30,197.21x = 45,275.16 × 15,377.45
  4. Step 4: Simplify right side
    30,197.21x = 696,216,509.14
  5. Step 5: Solve for x
    x = 696,216,509.14/30,197.21
  6. Step 6: Final answer
    x = 23,055.66

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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.