Home / 37,557.36-51,828.72-20,561.40

Finding the Fourth Proportional to 37,557.36, 51,828.72 and 20,561.40

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Solution

The fourth proportional to 37,557.36, 51,828.72 and 20,561.40 is: 28,374.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,557.36 : 51,828.72 = 20,561.40 : x
  2. Step 2: Convert to fraction form
    37,557.36/51,828.72 = 20,561.40/x
  3. Step 3: Cross multiply
    37,557.36x = 51,828.72 × 20,561.40
  4. Step 4: Simplify right side
    37,557.36x = 1,065,671,043.41
  5. Step 5: Solve for x
    x = 1,065,671,043.41/37,557.36
  6. Step 6: Final answer
    x = 28,374.49

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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.