Home / 32,465.20-48,688.20-12,732.40

Finding the Fourth Proportional to 32,465.20, 48,688.20 and 12,732.40

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Solution

The fourth proportional to 32,465.20, 48,688.20 and 12,732.40 is: 19,094.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,465.20 : 48,688.20 = 12,732.40 : x
  2. Step 2: Convert to fraction form
    32,465.20/48,688.20 = 12,732.40/x
  3. Step 3: Cross multiply
    32,465.20x = 48,688.20 × 12,732.40
  4. Step 4: Simplify right side
    32,465.20x = 619,917,637.68
  5. Step 5: Solve for x
    x = 619,917,637.68/32,465.20
  6. Step 6: Final answer
    x = 19,094.84

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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.