Home / 45,008.55-62,129.30-40,284.63

Finding the Fourth Proportional to 45,008.55, 62,129.30 and 40,284.63

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Solution

The fourth proportional to 45,008.55, 62,129.30 and 40,284.63 is: 55,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,008.55 : 62,129.30 = 40,284.63 : x
  2. Step 2: Convert to fraction form
    45,008.55/62,129.30 = 40,284.63/x
  3. Step 3: Cross multiply
    45,008.55x = 62,129.30 × 40,284.63
  4. Step 4: Simplify right side
    45,008.55x = 2,502,855,661.24
  5. Step 5: Solve for x
    x = 2,502,855,661.24/45,008.55
  6. Step 6: Final answer
    x = 55,608.45

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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.