Home / 38,670.04-53,363.75-21,442.33

Finding the Fourth Proportional to 38,670.04, 53,363.75 and 21,442.33

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Solution

The fourth proportional to 38,670.04, 53,363.75 and 21,442.33 is: 29,589.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,670.04 : 53,363.75 = 21,442.33 : x
  2. Step 2: Convert to fraction form
    38,670.04/53,363.75 = 21,442.33/x
  3. Step 3: Cross multiply
    38,670.04x = 53,363.75 × 21,442.33
  4. Step 4: Simplify right side
    38,670.04x = 1,144,242,946.95
  5. Step 5: Solve for x
    x = 1,144,242,946.95/38,670.04
  6. Step 6: Final answer
    x = 29,589.91

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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.