Home / 68,358.46-94,312.26-38,138.16

Finding the Fourth Proportional to 68,358.46, 94,312.26 and 38,138.16

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Solution

The fourth proportional to 68,358.46, 94,312.26 and 38,138.16 is: 52,618.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,358.46 : 94,312.26 = 38,138.16 : x
  2. Step 2: Convert to fraction form
    68,358.46/94,312.26 = 38,138.16/x
  3. Step 3: Cross multiply
    68,358.46x = 94,312.26 × 38,138.16
  4. Step 4: Simplify right side
    68,358.46x = 3,596,896,061.84
  5. Step 5: Solve for x
    x = 3,596,896,061.84/68,358.46
  6. Step 6: Final answer
    x = 52,618.16

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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.