Home / 45,939.89-63,395.43-28,064.81

Finding the Fourth Proportional to 45,939.89, 63,395.43 and 28,064.81

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Solution

The fourth proportional to 45,939.89, 63,395.43 and 28,064.81 is: 38,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,939.89 : 63,395.43 = 28,064.81 : x
  2. Step 2: Convert to fraction form
    45,939.89/63,395.43 = 28,064.81/x
  3. Step 3: Cross multiply
    45,939.89x = 63,395.43 × 28,064.81
  4. Step 4: Simplify right side
    45,939.89x = 1,779,180,380.84
  5. Step 5: Solve for x
    x = 1,779,180,380.84/45,939.89
  6. Step 6: Final answer
    x = 38,728.45

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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.