Home / 38,761.16-53,491.05-21,533.07

Finding the Fourth Proportional to 38,761.16, 53,491.05 and 21,533.07

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Solution

The fourth proportional to 38,761.16, 53,491.05 and 21,533.07 is: 29,716.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,761.16 : 53,491.05 = 21,533.07 : x
  2. Step 2: Convert to fraction form
    38,761.16/53,491.05 = 21,533.07/x
  3. Step 3: Cross multiply
    38,761.16x = 53,491.05 × 21,533.07
  4. Step 4: Simplify right side
    38,761.16x = 1,151,826,524.02
  5. Step 5: Solve for x
    x = 1,151,826,524.02/38,761.16
  6. Step 6: Final answer
    x = 29,716.00

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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.