Home / 38,151.84-52,647.98-21,155.07

Finding the Fourth Proportional to 38,151.84, 52,647.98 and 21,155.07

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Solution

The fourth proportional to 38,151.84, 52,647.98 and 21,155.07 is: 29,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,151.84 : 52,647.98 = 21,155.07 : x
  2. Step 2: Convert to fraction form
    38,151.84/52,647.98 = 21,155.07/x
  3. Step 3: Cross multiply
    38,151.84x = 52,647.98 × 21,155.07
  4. Step 4: Simplify right side
    38,151.84x = 1,113,771,596.48
  5. Step 5: Solve for x
    x = 1,113,771,596.48/38,151.84
  6. Step 6: Final answer
    x = 29,193.13

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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.