Home / 49,740.16-68,596.16-38,381.28

Finding the Fourth Proportional to 49,740.16, 68,596.16 and 38,381.28

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Solution

The fourth proportional to 49,740.16, 68,596.16 and 38,381.28 is: 52,931.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,740.16 : 68,596.16 = 38,381.28 : x
  2. Step 2: Convert to fraction form
    49,740.16/68,596.16 = 38,381.28/x
  3. Step 3: Cross multiply
    49,740.16x = 68,596.16 × 38,381.28
  4. Step 4: Simplify right side
    49,740.16x = 2,632,808,423.88
  5. Step 5: Solve for x
    x = 2,632,808,423.88/49,740.16
  6. Step 6: Final answer
    x = 52,931.24

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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.