Home / 38,558.63-53,210.61-21,562.90

Finding the Fourth Proportional to 38,558.63, 53,210.61 and 21,562.90

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Solution

The fourth proportional to 38,558.63, 53,210.61 and 21,562.90 is: 29,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,558.63 : 53,210.61 = 21,562.90 : x
  2. Step 2: Convert to fraction form
    38,558.63/53,210.61 = 21,562.90/x
  3. Step 3: Cross multiply
    38,558.63x = 53,210.61 × 21,562.90
  4. Step 4: Simplify right side
    38,558.63x = 1,147,374,929.34
  5. Step 5: Solve for x
    x = 1,147,374,929.34/38,558.63
  6. Step 6: Final answer
    x = 29,756.63

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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.