Home / 38,048.08-52,506.48-21,280

Finding the Fourth Proportional to 38,048.08, 52,506.48 and 21,280

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Solution

The fourth proportional to 38,048.08, 52,506.48 and 21,280 is: 29,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,048.08 : 52,506.48 = 21,280 : x
  2. Step 2: Convert to fraction form
    38,048.08/52,506.48 = 21,280/x
  3. Step 3: Cross multiply
    38,048.08x = 52,506.48 × 21,280
  4. Step 4: Simplify right side
    38,048.08x = 1,117,337,894.40
  5. Step 5: Solve for x
    x = 1,117,337,894.40/38,048.08
  6. Step 6: Final answer
    x = 29,366.47

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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.