Home / 64,400.10-96,555.15-38,091.30

Finding the Fourth Proportional to 64,400.10, 96,555.15 and 38,091.30

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Solution

The fourth proportional to 64,400.10, 96,555.15 and 38,091.30 is: 57,110.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,400.10 : 96,555.15 = 38,091.30 : x
  2. Step 2: Convert to fraction form
    64,400.10/96,555.15 = 38,091.30/x
  3. Step 3: Cross multiply
    64,400.10x = 96,555.15 × 38,091.30
  4. Step 4: Simplify right side
    64,400.10x = 3,677,911,185.20
  5. Step 5: Solve for x
    x = 3,677,911,185.20/64,400.10
  6. Step 6: Final answer
    x = 57,110.33

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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.