Home / 35,395.80-48,851.55-21,256.44

Finding the Fourth Proportional to 35,395.80, 48,851.55 and 21,256.44

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Solution

The fourth proportional to 35,395.80, 48,851.55 and 21,256.44 is: 29,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,395.80 : 48,851.55 = 21,256.44 : x
  2. Step 2: Convert to fraction form
    35,395.80/48,851.55 = 21,256.44/x
  3. Step 3: Cross multiply
    35,395.80x = 48,851.55 × 21,256.44
  4. Step 4: Simplify right side
    35,395.80x = 1,038,410,041.48
  5. Step 5: Solve for x
    x = 1,038,410,041.48/35,395.80
  6. Step 6: Final answer
    x = 29,337.10

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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.