Home / 32,011.60-48,017.40-28,123.60

Finding the Fourth Proportional to 32,011.60, 48,017.40 and 28,123.60

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Solution

The fourth proportional to 32,011.60, 48,017.40 and 28,123.60 is: 42,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,011.60 : 48,017.40 = 28,123.60 : x
  2. Step 2: Convert to fraction form
    32,011.60/48,017.40 = 28,123.60/x
  3. Step 3: Cross multiply
    32,011.60x = 48,017.40 × 28,123.60
  4. Step 4: Simplify right side
    32,011.60x = 1,350,422,150.64
  5. Step 5: Solve for x
    x = 1,350,422,150.64/32,011.60
  6. Step 6: Final answer
    x = 42,185.40

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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.