Home / 38,484.48-53,111.04-21,711.36

Finding the Fourth Proportional to 38,484.48, 53,111.04 and 21,711.36

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Solution

The fourth proportional to 38,484.48, 53,111.04 and 21,711.36 is: 29,963.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,484.48 : 53,111.04 = 21,711.36 : x
  2. Step 2: Convert to fraction form
    38,484.48/53,111.04 = 21,711.36/x
  3. Step 3: Cross multiply
    38,484.48x = 53,111.04 × 21,711.36
  4. Step 4: Simplify right side
    38,484.48x = 1,153,112,909.41
  5. Step 5: Solve for x
    x = 1,153,112,909.41/38,484.48
  6. Step 6: Final answer
    x = 29,963.06

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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.