Home / 40,865.32-56,400.68-38,197.16

Finding the Fourth Proportional to 40,865.32, 56,400.68 and 38,197.16

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Solution

The fourth proportional to 40,865.32, 56,400.68 and 38,197.16 is: 52,718.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,865.32 : 56,400.68 = 38,197.16 : x
  2. Step 2: Convert to fraction form
    40,865.32/56,400.68 = 38,197.16/x
  3. Step 3: Cross multiply
    40,865.32x = 56,400.68 × 38,197.16
  4. Step 4: Simplify right side
    40,865.32x = 2,154,345,798.07
  5. Step 5: Solve for x
    x = 2,154,345,798.07/40,865.32
  6. Step 6: Final answer
    x = 52,718.19

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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.