Home / 51,025.34-70,419.78-30,887.24

Finding the Fourth Proportional to 51,025.34, 70,419.78 and 30,887.24

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Solution

The fourth proportional to 51,025.34, 70,419.78 and 30,887.24 is: 42,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,025.34 : 70,419.78 = 30,887.24 : x
  2. Step 2: Convert to fraction form
    51,025.34/70,419.78 = 30,887.24/x
  3. Step 3: Cross multiply
    51,025.34x = 70,419.78 × 30,887.24
  4. Step 4: Simplify right side
    51,025.34x = 2,175,072,645.61
  5. Step 5: Solve for x
    x = 2,175,072,645.61/51,025.34
  6. Step 6: Final answer
    x = 42,627.30

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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.