Home / 64,659.48-89,228.16-39,180.93

Finding the Fourth Proportional to 64,659.48, 89,228.16 and 39,180.93

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Solution

The fourth proportional to 64,659.48, 89,228.16 and 39,180.93 is: 54,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,659.48 : 89,228.16 = 39,180.93 : x
  2. Step 2: Convert to fraction form
    64,659.48/89,228.16 = 39,180.93/x
  3. Step 3: Cross multiply
    64,659.48x = 89,228.16 × 39,180.93
  4. Step 4: Simplify right side
    64,659.48x = 3,496,042,290.99
  5. Step 5: Solve for x
    x = 3,496,042,290.99/64,659.48
  6. Step 6: Final answer
    x = 54,068.52

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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.