Home / 57,835.02-86,752.32-20,386.07

Finding the Fourth Proportional to 57,835.02, 86,752.32 and 20,386.07

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Solution

The fourth proportional to 57,835.02, 86,752.32 and 20,386.07 is: 30,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,835.02 : 86,752.32 = 20,386.07 : x
  2. Step 2: Convert to fraction form
    57,835.02/86,752.32 = 20,386.07/x
  3. Step 3: Cross multiply
    57,835.02x = 86,752.32 × 20,386.07
  4. Step 4: Simplify right side
    57,835.02x = 1,768,538,868.18
  5. Step 5: Solve for x
    x = 1,768,538,868.18/57,835.02
  6. Step 6: Final answer
    x = 30,579.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.