Home / 29,686.80-40,967.70-16,258.89

Finding the Fourth Proportional to 29,686.80, 40,967.70 and 16,258.89

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Solution

The fourth proportional to 29,686.80, 40,967.70 and 16,258.89 is: 22,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,686.80 : 40,967.70 = 16,258.89 : x
  2. Step 2: Convert to fraction form
    29,686.80/40,967.70 = 16,258.89/x
  3. Step 3: Cross multiply
    29,686.80x = 40,967.70 × 16,258.89
  4. Step 4: Simplify right side
    29,686.80x = 666,089,327.85
  5. Step 5: Solve for x
    x = 666,089,327.85/29,686.80
  6. Step 6: Final answer
    x = 22,437.22

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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.