Home / 35,400.54-48,848.47-21,060.81

Finding the Fourth Proportional to 35,400.54, 48,848.47 and 21,060.81

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Solution

The fourth proportional to 35,400.54, 48,848.47 and 21,060.81 is: 29,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,400.54 : 48,848.47 = 21,060.81 : x
  2. Step 2: Convert to fraction form
    35,400.54/48,848.47 = 21,060.81/x
  3. Step 3: Cross multiply
    35,400.54x = 48,848.47 × 21,060.81
  4. Step 4: Simplify right side
    35,400.54x = 1,028,788,292.81
  5. Step 5: Solve for x
    x = 1,028,788,292.81/35,400.54
  6. Step 6: Final answer
    x = 29,061.37

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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.