Home / 64,592.45-89,117.01-39,090.66

Finding the Fourth Proportional to 64,592.45, 89,117.01 and 39,090.66

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Solution

The fourth proportional to 64,592.45, 89,117.01 and 39,090.66 is: 53,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,592.45 : 89,117.01 = 39,090.66 : x
  2. Step 2: Convert to fraction form
    64,592.45/89,117.01 = 39,090.66/x
  3. Step 3: Cross multiply
    64,592.45x = 89,117.01 × 39,090.66
  4. Step 4: Simplify right side
    64,592.45x = 3,483,643,072.32
  5. Step 5: Solve for x
    x = 3,483,643,072.32/64,592.45
  6. Step 6: Final answer
    x = 53,932.66

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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.