Home / 38,574.10-53,226.93-21,577.45

Finding the Fourth Proportional to 38,574.10, 53,226.93 and 21,577.45

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Solution

The fourth proportional to 38,574.10, 53,226.93 and 21,577.45 is: 29,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,574.10 : 53,226.93 = 21,577.45 : x
  2. Step 2: Convert to fraction form
    38,574.10/53,226.93 = 21,577.45/x
  3. Step 3: Cross multiply
    38,574.10x = 53,226.93 × 21,577.45
  4. Step 4: Simplify right side
    38,574.10x = 1,148,501,420.73
  5. Step 5: Solve for x
    x = 1,148,501,420.73/38,574.10
  6. Step 6: Final answer
    x = 29,773.90

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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.