Home / 35,752.36-49,337.94-20,648.20

Finding the Fourth Proportional to 35,752.36, 49,337.94 and 20,648.20

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Solution

The fourth proportional to 35,752.36, 49,337.94 and 20,648.20 is: 28,494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,752.36 : 49,337.94 = 20,648.20 : x
  2. Step 2: Convert to fraction form
    35,752.36/49,337.94 = 20,648.20/x
  3. Step 3: Cross multiply
    35,752.36x = 49,337.94 × 20,648.20
  4. Step 4: Simplify right side
    35,752.36x = 1,018,739,652.71
  5. Step 5: Solve for x
    x = 1,018,739,652.71/35,752.36
  6. Step 6: Final answer
    x = 28,494.33

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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.