Home / 64,587.21-96,790.59-31,298.45

Finding the Fourth Proportional to 64,587.21, 96,790.59 and 31,298.45

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Solution

The fourth proportional to 64,587.21, 96,790.59 and 31,298.45 is: 46,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,587.21 : 96,790.59 = 31,298.45 : x
  2. Step 2: Convert to fraction form
    64,587.21/96,790.59 = 31,298.45/x
  3. Step 3: Cross multiply
    64,587.21x = 96,790.59 × 31,298.45
  4. Step 4: Simplify right side
    64,587.21x = 3,029,395,441.59
  5. Step 5: Solve for x
    x = 3,029,395,441.59/64,587.21
  6. Step 6: Final answer
    x = 46,903.95

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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.