Home / 38,444.18-53,053.35-21,448.28

Finding the Fourth Proportional to 38,444.18, 53,053.35 and 21,448.28

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Solution

The fourth proportional to 38,444.18, 53,053.35 and 21,448.28 is: 29,598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,444.18 : 53,053.35 = 21,448.28 : x
  2. Step 2: Convert to fraction form
    38,444.18/53,053.35 = 21,448.28/x
  3. Step 3: Cross multiply
    38,444.18x = 53,053.35 × 21,448.28
  4. Step 4: Simplify right side
    38,444.18x = 1,137,903,105.74
  5. Step 5: Solve for x
    x = 1,137,903,105.74/38,444.18
  6. Step 6: Final answer
    x = 29,598.84

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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.