Home / 48,148.05-66,442.35-28,005.51

Finding the Fourth Proportional to 48,148.05, 66,442.35 and 28,005.51

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Solution

The fourth proportional to 48,148.05, 66,442.35 and 28,005.51 is: 38,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,148.05 : 66,442.35 = 28,005.51 : x
  2. Step 2: Convert to fraction form
    48,148.05/66,442.35 = 28,005.51/x
  3. Step 3: Cross multiply
    48,148.05x = 66,442.35 × 28,005.51
  4. Step 4: Simplify right side
    48,148.05x = 1,860,751,897.35
  5. Step 5: Solve for x
    x = 1,860,751,897.35/48,148.05
  6. Step 6: Final answer
    x = 38,646.46

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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.