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Finding the Fourth Proportional to 35,445.86, 48,918.06 and 19,533.16

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Solution

The fourth proportional to 35,445.86, 48,918.06 and 19,533.16 is: 26,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,445.86 : 48,918.06 = 19,533.16 : x
  2. Step 2: Convert to fraction form
    35,445.86/48,918.06 = 19,533.16/x
  3. Step 3: Cross multiply
    35,445.86x = 48,918.06 × 19,533.16
  4. Step 4: Simplify right side
    35,445.86x = 955,524,292.87
  5. Step 5: Solve for x
    x = 955,524,292.87/35,445.86
  6. Step 6: Final answer
    x = 26,957.29

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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.