Home / 45,644.81-63,007.42-40,856.30

Finding the Fourth Proportional to 45,644.81, 63,007.42 and 40,856.30

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Solution

The fourth proportional to 45,644.81, 63,007.42 and 40,856.30 is: 56,397.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,644.81 : 63,007.42 = 40,856.30 : x
  2. Step 2: Convert to fraction form
    45,644.81/63,007.42 = 40,856.30/x
  3. Step 3: Cross multiply
    45,644.81x = 63,007.42 × 40,856.30
  4. Step 4: Simplify right side
    45,644.81x = 2,574,250,222.60
  5. Step 5: Solve for x
    x = 2,574,250,222.60/45,644.81
  6. Step 6: Final answer
    x = 56,397.44

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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.