Home / 45,622.28-68,435.28-15,657.12

Finding the Fourth Proportional to 45,622.28, 68,435.28 and 15,657.12

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Solution

The fourth proportional to 45,622.28, 68,435.28 and 15,657.12 is: 23,486.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,622.28 : 68,435.28 = 15,657.12 : x
  2. Step 2: Convert to fraction form
    45,622.28/68,435.28 = 15,657.12/x
  3. Step 3: Cross multiply
    45,622.28x = 68,435.28 × 15,657.12
  4. Step 4: Simplify right side
    45,622.28x = 1,071,499,391.19
  5. Step 5: Solve for x
    x = 1,071,499,391.19/45,622.28
  6. Step 6: Final answer
    x = 23,486.32

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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.