Home / 32,539.60-48,809.40-7,915.60

Finding the Fourth Proportional to 32,539.60, 48,809.40 and 7,915.60

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Solution

The fourth proportional to 32,539.60, 48,809.40 and 7,915.60 is: 11,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,539.60 : 48,809.40 = 7,915.60 : x
  2. Step 2: Convert to fraction form
    32,539.60/48,809.40 = 7,915.60/x
  3. Step 3: Cross multiply
    32,539.60x = 48,809.40 × 7,915.60
  4. Step 4: Simplify right side
    32,539.60x = 386,355,686.64
  5. Step 5: Solve for x
    x = 386,355,686.64/32,539.60
  6. Step 6: Final answer
    x = 11,873.40

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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.