Home / 40,931.10-57,381.30-40,931.10

Finding the Fourth Proportional to 40,931.10, 57,381.30 and 40,931.10

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Solution

The fourth proportional to 40,931.10, 57,381.30 and 40,931.10 is: 57,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,931.10 : 57,381.30 = 40,931.10 : x
  2. Step 2: Convert to fraction form
    40,931.10/57,381.30 = 40,931.10/x
  3. Step 3: Cross multiply
    40,931.10x = 57,381.30 × 40,931.10
  4. Step 4: Simplify right side
    40,931.10x = 2,348,679,728.43
  5. Step 5: Solve for x
    x = 2,348,679,728.43/40,931.10
  6. Step 6: Final answer
    x = 57,381.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.