Home / 38,988.04-53,803.82-21,525.93

Finding the Fourth Proportional to 38,988.04, 53,803.82 and 21,525.93

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Solution

The fourth proportional to 38,988.04, 53,803.82 and 21,525.93 is: 29,705.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988.04 : 53,803.82 = 21,525.93 : x
  2. Step 2: Convert to fraction form
    38,988.04/53,803.82 = 21,525.93/x
  3. Step 3: Cross multiply
    38,988.04x = 53,803.82 × 21,525.93
  4. Step 4: Simplify right side
    38,988.04x = 1,158,177,263.05
  5. Step 5: Solve for x
    x = 1,158,177,263.05/38,988.04
  6. Step 6: Final answer
    x = 29,705.96

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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.