Home / 38,946.20-53,745.74-21,041.22

Finding the Fourth Proportional to 38,946.20, 53,745.74 and 21,041.22

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Solution

The fourth proportional to 38,946.20, 53,745.74 and 21,041.22 is: 29,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,946.20 : 53,745.74 = 21,041.22 : x
  2. Step 2: Convert to fraction form
    38,946.20/53,745.74 = 21,041.22/x
  3. Step 3: Cross multiply
    38,946.20x = 53,745.74 × 21,041.22
  4. Step 4: Simplify right side
    38,946.20x = 1,130,875,939.40
  5. Step 5: Solve for x
    x = 1,130,875,939.40/38,946.20
  6. Step 6: Final answer
    x = 29,036.87

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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.