Home / 38,700.18-53,058.36-38,000.34

Finding the Fourth Proportional to 38,700.18, 53,058.36 and 38,000.34

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Solution

The fourth proportional to 38,700.18, 53,058.36 and 38,000.34 is: 52,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,700.18 : 53,058.36 = 38,000.34 : x
  2. Step 2: Convert to fraction form
    38,700.18/53,058.36 = 38,000.34/x
  3. Step 3: Cross multiply
    38,700.18x = 53,058.36 × 38,000.34
  4. Step 4: Simplify right side
    38,700.18x = 2,016,235,719.84
  5. Step 5: Solve for x
    x = 2,016,235,719.84/38,700.18
  6. Step 6: Final answer
    x = 52,098.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.