Home / 37,315.04-51,491.58-21,999.20

Finding the Fourth Proportional to 37,315.04, 51,491.58 and 21,999.20

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Solution

The fourth proportional to 37,315.04, 51,491.58 and 21,999.20 is: 30,357.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,315.04 : 51,491.58 = 21,999.20 : x
  2. Step 2: Convert to fraction form
    37,315.04/51,491.58 = 21,999.20/x
  3. Step 3: Cross multiply
    37,315.04x = 51,491.58 × 21,999.20
  4. Step 4: Simplify right side
    37,315.04x = 1,132,773,566.74
  5. Step 5: Solve for x
    x = 1,132,773,566.74/37,315.04
  6. Step 6: Final answer
    x = 30,357.02

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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.