Home / 38,810.23-53,549.16-28,070.84

Finding the Fourth Proportional to 38,810.23, 53,549.16 and 28,070.84

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Solution

The fourth proportional to 38,810.23, 53,549.16 and 28,070.84 is: 38,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,810.23 : 53,549.16 = 28,070.84 : x
  2. Step 2: Convert to fraction form
    38,810.23/53,549.16 = 28,070.84/x
  3. Step 3: Cross multiply
    38,810.23x = 53,549.16 × 28,070.84
  4. Step 4: Simplify right side
    38,810.23x = 1,503,169,902.49
  5. Step 5: Solve for x
    x = 1,503,169,902.49/38,810.23
  6. Step 6: Final answer
    x = 38,731.28

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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.