Home / 55,287.02-76,296.09-30,136.52

Finding the Fourth Proportional to 55,287.02, 76,296.09 and 30,136.52

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Solution

The fourth proportional to 55,287.02, 76,296.09 and 30,136.52 is: 41,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,287.02 : 76,296.09 = 30,136.52 : x
  2. Step 2: Convert to fraction form
    55,287.02/76,296.09 = 30,136.52/x
  3. Step 3: Cross multiply
    55,287.02x = 76,296.09 × 30,136.52
  4. Step 4: Simplify right side
    55,287.02x = 2,299,298,642.21
  5. Step 5: Solve for x
    x = 2,299,298,642.21/55,287.02
  6. Step 6: Final answer
    x = 41,588.40

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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.