Home / 48,280.05-66,631.01-28,135.35

Finding the Fourth Proportional to 48,280.05, 66,631.01 and 28,135.35

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Solution

The fourth proportional to 48,280.05, 66,631.01 and 28,135.35 is: 38,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,280.05 : 66,631.01 = 28,135.35 : x
  2. Step 2: Convert to fraction form
    48,280.05/66,631.01 = 28,135.35/x
  3. Step 3: Cross multiply
    48,280.05x = 66,631.01 × 28,135.35
  4. Step 4: Simplify right side
    48,280.05x = 1,874,686,646.53
  5. Step 5: Solve for x
    x = 1,874,686,646.53/48,280.05
  6. Step 6: Final answer
    x = 38,829.43

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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.