Home / 32,987.36-45,528.65-18,840.20

Finding the Fourth Proportional to 32,987.36, 45,528.65 and 18,840.20

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Solution

The fourth proportional to 32,987.36, 45,528.65 and 18,840.20 is: 26,002.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,987.36 : 45,528.65 = 18,840.20 : x
  2. Step 2: Convert to fraction form
    32,987.36/45,528.65 = 18,840.20/x
  3. Step 3: Cross multiply
    32,987.36x = 45,528.65 × 18,840.20
  4. Step 4: Simplify right side
    32,987.36x = 857,768,876.64
  5. Step 5: Solve for x
    x = 857,768,876.64/32,987.36
  6. Step 6: Final answer
    x = 26,002.96

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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.