Home / 64,674.02-89,254.24-39,197.90

Finding the Fourth Proportional to 64,674.02, 89,254.24 and 39,197.90

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Solution

The fourth proportional to 64,674.02, 89,254.24 and 39,197.90 is: 54,095.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,674.02 : 89,254.24 = 39,197.90 : x
  2. Step 2: Convert to fraction form
    64,674.02/89,254.24 = 39,197.90/x
  3. Step 3: Cross multiply
    64,674.02x = 89,254.24 × 39,197.90
  4. Step 4: Simplify right side
    64,674.02x = 3,498,578,774.10
  5. Step 5: Solve for x
    x = 3,498,578,774.10/64,674.02
  6. Step 6: Final answer
    x = 54,095.58

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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.