Home / 64,385.64-88,852.02-39,235.14

Finding the Fourth Proportional to 64,385.64, 88,852.02 and 39,235.14

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Solution

The fourth proportional to 64,385.64, 88,852.02 and 39,235.14 is: 54,144.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,385.64 : 88,852.02 = 39,235.14 : x
  2. Step 2: Convert to fraction form
    64,385.64/88,852.02 = 39,235.14/x
  3. Step 3: Cross multiply
    64,385.64x = 88,852.02 × 39,235.14
  4. Step 4: Simplify right side
    64,385.64x = 3,486,121,443.98
  5. Step 5: Solve for x
    x = 3,486,121,443.98/64,385.64
  6. Step 6: Final answer
    x = 54,144.39

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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.