Home / 38,846.79-53,607.02-21,851.37

Finding the Fourth Proportional to 38,846.79, 53,607.02 and 21,851.37

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Solution

The fourth proportional to 38,846.79, 53,607.02 and 21,851.37 is: 30,154.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,846.79 : 53,607.02 = 21,851.37 : x
  2. Step 2: Convert to fraction form
    38,846.79/53,607.02 = 21,851.37/x
  3. Step 3: Cross multiply
    38,846.79x = 53,607.02 × 21,851.37
  4. Step 4: Simplify right side
    38,846.79x = 1,171,386,719.36
  5. Step 5: Solve for x
    x = 1,171,386,719.36/38,846.79
  6. Step 6: Final answer
    x = 30,154.02

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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.