Home / 35,085.36-48,427.56-21,658.80

Finding the Fourth Proportional to 35,085.36, 48,427.56 and 21,658.80

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Solution

The fourth proportional to 35,085.36, 48,427.56 and 21,658.80 is: 29,895.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,085.36 : 48,427.56 = 21,658.80 : x
  2. Step 2: Convert to fraction form
    35,085.36/48,427.56 = 21,658.80/x
  3. Step 3: Cross multiply
    35,085.36x = 48,427.56 × 21,658.80
  4. Step 4: Simplify right side
    35,085.36x = 1,048,882,836.53
  5. Step 5: Solve for x
    x = 1,048,882,836.53/35,085.36
  6. Step 6: Final answer
    x = 29,895.17

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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.