Home / 42,679.92-64,160.10-39,597.17

Finding the Fourth Proportional to 42,679.92, 64,160.10 and 39,597.17

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Solution

The fourth proportional to 42,679.92, 64,160.10 and 39,597.17 is: 59,525.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,679.92 : 64,160.10 = 39,597.17 : x
  2. Step 2: Convert to fraction form
    42,679.92/64,160.10 = 39,597.17/x
  3. Step 3: Cross multiply
    42,679.92x = 64,160.10 × 39,597.17
  4. Step 4: Simplify right side
    42,679.92x = 2,540,558,547.32
  5. Step 5: Solve for x
    x = 2,540,558,547.32/42,679.92
  6. Step 6: Final answer
    x = 59,525.85

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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.