Home / 37,303.08-51,485.67-21,398.28

Finding the Fourth Proportional to 37,303.08, 51,485.67 and 21,398.28

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Solution

The fourth proportional to 37,303.08, 51,485.67 and 21,398.28 is: 29,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,303.08 : 51,485.67 = 21,398.28 : x
  2. Step 2: Convert to fraction form
    37,303.08/51,485.67 = 21,398.28/x
  3. Step 3: Cross multiply
    37,303.08x = 51,485.67 × 21,398.28
  4. Step 4: Simplify right side
    37,303.08x = 1,101,704,782.65
  5. Step 5: Solve for x
    x = 1,101,704,782.65/37,303.08
  6. Step 6: Final answer
    x = 29,533.88

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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.