Home / 30,688.62-46,023.18-13,153.74

Finding the Fourth Proportional to 30,688.62, 46,023.18 and 13,153.74

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Solution

The fourth proportional to 30,688.62, 46,023.18 and 13,153.74 is: 19,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688.62 : 46,023.18 = 13,153.74 : x
  2. Step 2: Convert to fraction form
    30,688.62/46,023.18 = 13,153.74/x
  3. Step 3: Cross multiply
    30,688.62x = 46,023.18 × 13,153.74
  4. Step 4: Simplify right side
    30,688.62x = 605,376,943.69
  5. Step 5: Solve for x
    x = 605,376,943.69/30,688.62
  6. Step 6: Final answer
    x = 19,726.43

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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.