Home / 45,448.02-62,749.05-28,459.08

Finding the Fourth Proportional to 45,448.02, 62,749.05 and 28,459.08

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Solution

The fourth proportional to 45,448.02, 62,749.05 and 28,459.08 is: 39,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,448.02 : 62,749.05 = 28,459.08 : x
  2. Step 2: Convert to fraction form
    45,448.02/62,749.05 = 28,459.08/x
  3. Step 3: Cross multiply
    45,448.02x = 62,749.05 × 28,459.08
  4. Step 4: Simplify right side
    45,448.02x = 1,785,780,233.87
  5. Step 5: Solve for x
    x = 1,785,780,233.87/45,448.02
  6. Step 6: Final answer
    x = 39,292.81

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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.