Home / 32,001.20-47,904.60-18,814.40

Finding the Fourth Proportional to 32,001.20, 47,904.60 and 18,814.40

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Solution

The fourth proportional to 32,001.20, 47,904.60 and 18,814.40 is: 28,164.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,001.20 : 47,904.60 = 18,814.40 : x
  2. Step 2: Convert to fraction form
    32,001.20/47,904.60 = 18,814.40/x
  3. Step 3: Cross multiply
    32,001.20x = 47,904.60 × 18,814.40
  4. Step 4: Simplify right side
    32,001.20x = 901,296,306.24
  5. Step 5: Solve for x
    x = 901,296,306.24/32,001.20
  6. Step 6: Final answer
    x = 28,164.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.