Home / 64,725.10-97,087.51-20,355.74

Finding the Fourth Proportional to 64,725.10, 97,087.51 and 20,355.74

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Solution

The fourth proportional to 64,725.10, 97,087.51 and 20,355.74 is: 30,533.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,725.10 : 97,087.51 = 20,355.74 : x
  2. Step 2: Convert to fraction form
    64,725.10/97,087.51 = 20,355.74/x
  3. Step 3: Cross multiply
    64,725.10x = 97,087.51 × 20,355.74
  4. Step 4: Simplify right side
    64,725.10x = 1,976,288,110.81
  5. Step 5: Solve for x
    x = 1,976,288,110.81/64,725.10
  6. Step 6: Final answer
    x = 30,533.57

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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.