Home / 30,792.24-42,497.70-22,322.40

Finding the Fourth Proportional to 30,792.24, 42,497.70 and 22,322.40

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Solution

The fourth proportional to 30,792.24, 42,497.70 and 22,322.40 is: 30,808.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,792.24 : 42,497.70 = 22,322.40 : x
  2. Step 2: Convert to fraction form
    30,792.24/42,497.70 = 22,322.40/x
  3. Step 3: Cross multiply
    30,792.24x = 42,497.70 × 22,322.40
  4. Step 4: Simplify right side
    30,792.24x = 948,650,658.48
  5. Step 5: Solve for x
    x = 948,650,658.48/30,792.24
  6. Step 6: Final answer
    x = 30,808.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.