Home / 37,287.32-51,457.80-21,374.76

Finding the Fourth Proportional to 37,287.32, 51,457.80 and 21,374.76

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Solution

The fourth proportional to 37,287.32, 51,457.80 and 21,374.76 is: 29,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,287.32 : 51,457.80 = 21,374.76 : x
  2. Step 2: Convert to fraction form
    37,287.32/51,457.80 = 21,374.76/x
  3. Step 3: Cross multiply
    37,287.32x = 51,457.80 × 21,374.76
  4. Step 4: Simplify right side
    37,287.32x = 1,099,898,125.13
  5. Step 5: Solve for x
    x = 1,099,898,125.13/37,287.32
  6. Step 6: Final answer
    x = 29,497.91

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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.